M1 v1 m2 v2. M1 V1 = M2 V2. Explanation. To dilute a stock soluti...

a) M1 = ½ m2 b) M1 > m2 c) M1 = m2 d) M1 < m2 e)

Secara matematis persamaannya adalah : p1 + p2 = p1' + p2' m1.v1 + m2.v2 = m1.v1' + m2.v2' dengan : m1 dan m2 = massa benda (kg) v1 dan v2 = kecepatan benda sesaat sebelum tumbukan (m/s) v1' dan v2' = kecepatan benda sesaat setelah tumbukan (m/s) Koefisien restitusi adalah negatif perbandingan antara kecepatan relatif sesaat sesudah …M2 = (M1V1)/V2. M2 = (5mL*2M)/10mL. M2 = 1M. Here is a video which discusses how to complete this type of question. Answer link. Diluting a sample will reduce the molarity. This is helpful This is confusing For example if you have 5mL of a 2M solution which is diluted to a new volume of 10mL the molarity will be reduced to 1M.Inital concentration of Na2SO3 = M1 = 0.1 mol/dm3 Initial Volume = V1 = 25 cm3 (Expt 1) Final concentration of diluted Na2SO3 = M2 Final volume of diluted solution = V2 = 30cm3 Now, M1*V1 = M2*V2 So, 0.1*25 = M2*30 M2 = 0.08 mo …View the full answerQuestion A Ball A of mass m 1 travelling with a velocity u 1 collides with another Ball B of mass m 2 at rest. After collision the velocity of Ball A - 47507651What is the formula m1u1+m2u2=m1v1+m2v2 used for in physics? - Quora. Something went wrong.Download PDF. LAPORAN PRAKTIKUM TITRASI ASAM-BASA I Judul Percobaan : Titrasi Asam-Basa II Hari/Tanggal Percobaan : 4 November 2015 III Tujuan Percobaan 1. Menentukan konsentrasi larutan NaOH dengan larutan baku asam oksalat 2. Menentukan konsentrasi larutan HCl dengan larutan NaOH IV Dasar Teori Titrasi adalah proses …Bài 31: Định luật bảo toàn động lượng - Bài 3 trang 148 SGK Vật lý lớp 10 nâng cao. Hai vật có khối lượng m1=1kg và m2=3kg chuyển động với các vận tốc v1=3m/s và v2=1m/s. Tìm tổng động lượng (phương, chiếu, độ lớn) của hệ trong các trường hợp:Physics. Physics questions and answers. 1. One body of mass m1 = 2.021 kg is launched vertically with an initial velocity v1 = 5 m/s. The body will reach the maximum height hy after a period of time t1. A second body of mass m2 = 1.776 kg is launched at a = 30° angle (as shown in the figure below) with an initial velocity V2 = 10 m/s.By conservation of momentum, we have m1 v1 = m1 v1' + m2 v2'. Step 5/7 5. By conservation of kinetic energy (since the collision is perfectly elastic), we have (1/2) m1 v1^2 = (1/2) m1 v1'^2 + (1/2) m2 v2'^2. Step 6/7 6. We want to find the fraction of kinetic energy lost by the striking ball, which is (KE1 - KE1')/KE1, where KE1' is the ...M1×V1=M2×V2 where M 1 and V 1 are the molarity and volume of the first solution, respectively, and M 2 and V 2 are the molarity and volume of the second solution, respectively. Given that HCl is a strong acid, the H 3 O + concentration is equal to the HCl concentration, except at very low concentrations (test tubes 6 and 7) where the H 3 O ...Inital concentration of Na2SO3 = M1 = 0.1 mol/dm3 Initial Volume = V1 = 25 cm3 (Expt 1) Final concentration of diluted Na2SO3 = M2 Final volume of diluted solution = V2 = 30cm3 Now, M1*V1 = M2*V2 So, 0.1*25 = M2*30 M2 = 0.08 mo …View the full answerWe would like to show you a description here but the site won't allow us.First, the equation for conservation of momentum for two objects in a one-dimensional collision is. p 1 + p 2 = p ′ 1 + p ′ 2 F net = 0. 8.33. or. m 1 v 1 + m 2 v 2 = m 1 v ′ 1 + m 2 v ′ 2 F net = 0, 8.34. where the primes (') indicate values after the collision. By definition, an elastic collision conserves internal kinetic energy, and ...Internal kinetic energy is the sum of the kinetic energies of the objects in the system. Figure 8.4.1 8.4. 1: An elastic one-dimensional two-object collision. Momentum and internal kinetic energy are conserved. Now, to solve problems involving one-dimensional elastic collisions between two objects we can use the equations for conservation of ...Simulate m1 = m2 with their respective velocities v1 = v2. Take a screenshot of the simulation. Explain the collision, reaction, and motion of the two masses. Physics for Scientists and Engineers: Foundations and Connections. 1st Edition. ISBN: 9781133939146. Author: Katz, Debora M. Publisher: Cengage Learning. expand_more.Glasgow Coma Scale (GCS) · Verbal response: V5 orientated, V4 confused conversation, V3 inappropriate words, V2 incomprehensible sounds, V1 nil. · Best motor response: Obeys M6, localises M5, Withdraws M4, Abnormal flexion M3, Extension M2, M1 Nil. · There is also a trauma score, includes GCS, respiratory rate, respiratory expansion ...A particle of mass m1 is moving with velocity v1 and another particle of mass m2 is moving with velocity v2.Both of them have the same momentum but different kinetic energy are E1 and E2.If m1 >m2 then 1)E1E2 4)E1=E2M1V1=M2V2 is a concept that means the amount of moles in the solution remains constant whether you are changing the concentration of the solution or the …m1 . V1+ m2 . V2= (m1+m2) . V. m1 . 5 +1 . 1= (m1+1) . 2,5 –>m1=0,6 kg. TH2: Vật 2 chuyển động ngược chiều với vật 1. áp dụng đl bảo toàn động lượng ta có: m1.V1+m2.V2=(m1+m2).V. m1 .5-1 .1=(m1+1). 2,5 –>m1=1,4 kg. ReplyProblem. 29P. A man of mass m1 = 70.0 kg is skating at v1 = 8.00 m/s behind his wife of mass m2 = 50.0 kg, who is skating at v2 = 4.00 m/s. Instead of passing her, he inadvertently collides with her. He grabs her around the waist, and they maintain their balance. (a) Sketch the problem with before-and-after diagrams, representing the skaters as ...Buna göre, a) Çözeltinin molar derişimini bulunuz. n1 = n2. M1. V1 = M2.V2.Expert Answer. Q1) To calculate ml of NaOH required : As there is 3H's in H3PO4 and 1 OH in NaOH that means we need 3 moles of NaOH for every mole of H3PO4. M1*V1 = M2*V2 NaOH = H3PO4 0.1M*V1 = 0.2M (3)* 15 ml V1 = 0.2M (3)*15ml /0.1M V1 = 90 ml …. View the full answer. Transcribed image text:Trong một hệ kín. Hai xe lăn nhỏ có khối lượng m 1 = 300g, m 2 = 2kg chuyển động trên mặt phẳng ngang ngược chiều nhau với vận tốc tương ứng v 1 = 2m/s và v 2 = 0,8m/s. Sau va chạm, hai xe dính vào nhau và chuyển động với cùng vận tốc. Tìm độ lớn và chiều của vận tốc ...M1 . V1 + M2 . V2 = Mf . Vf 0,2 . 200 + 0,4 . 100 = Mf . 300 Mf = 0,27 mol.L-1 de KBr. Unidades de concentração Concentração comum ( C ) Essa concentração é uma das mais usadas. Ela relaciona a quantidade de massa do soluto (m1)presente em um determinado volume de solução (V). Trazendo para uma fórmula matemática:M1V1 = M2V2 veya N1V1 = N2V2 şeklinde ... N1, M1, V1 normalite, molarite ve hacmin ilk değerleri, N2, M2, V2 ise normalite, molarite ve hacmin son değerleridir.23 Şub 2014 ... Dilution m1v1=m2v2. 38K views · 9 years ago ...more. Benjamin Shepler. 1.5K. Subscribe. 1.5K subscribers. 149. Share. Save. Report. Comments4.Kato M1 + V1 + V2 + V5 + V5Engines: - Kato GE ES44AC "Gevo" Union Pacific- Atlas R3 New Haven- Atlas GE U25-BE Çözeltileri karıştırıldığında çözelti hacmi 1000 ml olacağından her bir çözeltinin derişimi değişir. Çö- zeltilerin yeni derişimleri M1.V1 = M2.V2 eşitliği ...EXPERIMENT 1: For each test tube, calculate the concentration of H 3 O + and pH. You can use the following formula to determine the concentration of HCl. M1×V1=M2×V2 where M 1 and V 1 are the molarity and volume of the first solution, respectively, and M 2 and V 2 are the molarity and volume of the second solution, respectively. Given that HCl is a strong …Obviously, if one object is moving to the left, its velocity is negative, so I'd just plug in a negative value, but in that case I'm getting something like: m1*v1-m2*v2 = m1*v1f+m2*v2f Which is, well... a different equation. They usually don't trouble us with getting the direction of these objects in the end (negative or positive velocities ...There is a concentrated 12 Molar HCl solution (M1) and we want to end up with 50 milliliters (V2) of a 3 Molar HCl solution (M2). So, we are solving for V1: how much of the concentrated solution we will need. Plugging the numerical values into the equation we get: (12 moles/L)(V1) = (3 moles/L)(50 mL).Write a balanced molecular equation for the reaction. 2. Write the ionic equation for the reaction. Ionic substances that are soluble should be shown as free ions. 3. Identify and cancel the spectator ions on both sides of the equation. 4. The net ionic equation includes any species not canceled in the ionic equation.V1+ m2 . V2= (m1+m2) . V. m1 . 5 +1 . 1= (m1+1) . 2,5 ->m1=0,6 kg. TH2: Vật 2 chuyển động ngược chiều với vật 1. áp dụng đl bảo toàn động lượng ta có: m1.V1+m2.V2=(m1+m2).V. m1 .5-1 .1=(m1+1). 2,5 ->m1=1,4 kg. Reply. thanhthuy. 15/10/2021 at 10:35Yani M1.V1+M2.V2=Mson.Vson yazıyorum. 1 molar en baştaki hacim 200 mililitre yine hacimleri mililitre olarak alacağım, hepsini mililitre olarak alıyorum ...0 = m1v1' + m2v2' v1' - v2' = 10m/s <== this is what relative velocity means-(100kg)v1' = (20kg)(v1' - 10m/s) In the more general case, velocity is a vector. Suppose you had a vehicle moving North at 30m/s and another moving East at 40m/s. What would be the velocity of the northbound vehicle relative to the eastbound vehicle?Click here👆to get an answer to your question ️ Two hypothetical planets of masses m1 and m2 are at rest when they are infinite distance apart. Because of the gravitational force they move towards each other along the line joining their centres. What is their speed if their separation is 'd'?(Speed of m1 is v1 and that of m2 is v2 )If the particle is massive: m1 >> m2. v1 = u1 and v2= 2u1— u2. If the target is initially at rest, u2 = O. v1 = u1 and v2 = 2 u1. The motion of the heavy particle is unaffected, while the light target moves apart at a speed twice that of the particle. 5. When the collision is perfectly inelastic, e = O. M2 = molaritas zat 2 V2 = volume zat 2 Mn = molaritas zat n Vn = volume zat n. Pada pengenceran suatu zat berlaku rumus: M1. V1 = M2. V2. M1 = molaritas zat mula-mula M2 = molaritas zat setelah pengenceran V1 = volume zat mula-mala V2 = volume zat setelah pengenceranExpert Answer. Hop …. A man of mass m2 = 69.5 kg is skating at v1 = 7.70 m/s behind his wife of mass m2 = 53.5 kg, who skating at v2 = 4.40 m/s. Instead of passing her, he inadvertently collides with her. He grabs her around the waist, and they maintain their balance, (a) Sketch the problem with before-and-after diagrams, representing the ...Secara matematis persamaannya adalah : p1 + p2 = p1' + p2' m1.v1 + m2.v2 = m1.v1' + m2.v2' dengan : m1 dan m2 = massa benda (kg) v1 dan v2 = kecepatan benda sesaat sebelum tumbukan (m/s) v1' dan v2' = kecepatan benda sesaat setelah tumbukan (m/s) Koefisien restitusi adalah negatif perbandingan antara kecepatan relatif sesaat …Object A of mass m1 is moving at a velocity v1 to the right. It collides and sticks to object B of mass m2 moving in the same direction as object A with a velocity v2. After collision, the two objects have a velocity equal to (1/2)(v1 + v2). What is the relationship between m1 and m2?Similarly, when the M2 measure of money is used, the corresponding velocity measure is called V2. For a given level of nominal GDP, which is larger? V1 is larger than V2 More information is needed to determine which velocity measure is larger. O V2 is larger than V1.(c) Write the general equation for conservation of momentum in terms of m1, v1, m2, v2, and final velocity vf. (d) Solve the momentum equation for vf. (Use the following as necessary: m1, v1, m2, v2. Do not substitute numerical values, use variables only.) (e) Substituting values, obtain the numerical value for vf, their speed after the collision.Expert Answer. Hop …. A man of mass m2 = 69.5 kg is skating at v1 = 7.70 m/s behind his wife of mass m2 = 53.5 kg, who skating at v2 = 4.40 m/s. Instead of passing her, he inadvertently collides with her. He grabs her around the waist, and they maintain their balance, (a) Sketch the problem with before-and-after diagrams, representing the ...a man of mass m1 = 70.0 kg is skating at v1 = 8.00 m/s behind his wife of mass m2 = 50.0 kg, who is skating at v2 = 4.00 m/s. Instead of passing her, he inadvertently collides with her. He grabs her around the waist, and they maintain their balance. (a) Sketch the problem with before-and-after diagrams, representing the skaters as blocks.Supporting Scientists Since 1982. Tocris Bioscience has been supporting scientists for nearly 40 years! We supply and manufacture over 4500 gold standard and cutting-edge tools, used in every research field including respiratory system , cancer, immunology, cardiovascular, endocrinology,pain and inflammation, cell and gene therapy and stem cells. For a system with several objects of masses m1, m2, m3 etc. and corresponding velocities v1, v2, v3 etc., the total momentum p of the system is given by p = m1 v1 + m2 v2 + m3 v3 +... with m v1, m v2, m v3, ... being vector quantities so that p is a sum of vectors. Example 2Jun 6, 2017 · Hipótesis de las normas de trabajo para el laboratorio escolar. que es la oxidación del oxigeno? Ayuda! debo resolverlo usando la fórmula M1 x V1 = M2 x V2M: molaridadV: volumen Recibe ahora mismo las respuestas que necesitas! Como ha dicho Satwik en los comentarios, la ecuación se basa en el principio de conservación de los moles. mol1 V 1 ×V 1 = mol2 V 2 ×V 2 m o l 1 V 1 × V 1 = m o l 2 V 2 × V 2. Basándonos en lo anterior, dado un volumen constante de una solución, añadir más moles de soluto sólo hará que la concentración aumente, no que disminuya.M2 = (M1V1)/V2. M2 = (5mL*2M)/10mL. M2 = 1M. Here is a video which discusses how to complete this type of question. Answer link. Diluting a sample will reduce the molarity. This is helpful This is confusing For example if you have 5mL of a 2M solution which is diluted to a new volume of 10mL the molarity will be reduced to 1M.Figure 8.7 A one-dimensional inelastic collision between two objects. Momentum is conserved, but kinetic energy is not conserved. (a) Two objects of equal mass initially head directly toward each other at the same speed. (b) The objects stick together, creating a perfectly inelastic collision.The M1V1 M2V2 calculator is a tool that helps to calculate the concentration and volume of a solution before and after dilution. It is based on a simple formula that states that the concentration of a solution multiplied by its volume before dilution will equal the concentration of the same solution multiplied by its volume after dilution.Dimana M1 adalah konsentrasi awal sebelum pengenceran dan M2 adalah kkonsentrasi larutan sesudah pengenceran. Contoh soal. Berapakah Volume dari larutan H 2 SO 4 2 M yang dibutuhkan untuk membuat larutan 200 mL H 2 SO 4 0,5 M? Jawab: M1= 2 M, V1 = …? M2 = 0,5 M, V2 = 200 mL. Maka: M1 V1 = M2 V2 2 . V1 = 0,5 . 200 V1 = 50 mLPart A - Calculating the output voltage of a summing op amp circuit Part B - Design of a summing op amp circuit For the circuit shown, determine R1, R2, and R3 such that V0=−(m1×V1+m2×V2+m3×V3).Assume m1 = 5, m2 = 8, m3 = 3, and RF = 120 kΩ and that the op amp is in its linear region of operation.. Part C - Saturation of a summing op amp circuit ...Added Kato V3. More coming soonper genome has a Poisson distribution, m2 = V2. Then in autumn the average and the variance of the number of mutations would be m =m1 + m2 and V = V1+ V2. Under a sufficiently large mutation rate ...Transcribed Image Text: Use the dilution relationship (M1 x V1 = M2 x V2) to calculate the volume of 0.500 M %3D NaOH needed to prepare 300 mL of 0.250 M NAOH. Please round your answer to the ones place, don't type in units, and don't show a decimal point in the answer. Please transfer your answer to Table 1 of the Titrations Data Collection. 150 mL What volume of water would you add to the 0 ...Expert Answer. 100% (5 ratings) Answer:- This equation is used …. View the full answer. Transcribed image text: The equation M1 V1 = M2 V2 is (pick the best answer) used when calculating the molality of a solution. is used to calculate how much stock solution is required for a dilution. used to calculate the kinetic energy, 1/2 MV2.Two bodies of masses m1 and m2 are dropped from heights h1 and h2. If they have equal momenta on reaching ground and h1>h2. Will the ratio of kinetic energy of m1 to that of m2 is greater than 1m1 v1 m1 v1 m2 v2 (9-14) (9-14)式中各向量關係圖如圖 9-6 所示。分別考慮 x 與 y 方向的動量分量方程式,可得: ... Dimana M1 adalah konsentrasi awal sebelum pengenceran dan M2 adalah kkonsentrasi larutan sesudah pengenceran. Contoh soal. Berapakah Volume dari larutan H 2 SO 4 2 M yang dibutuhkan untuk membuat larutan 200 mL H 2 SO 4 0,5 M? Jawab: M1= 2 M, V1 = …? M2 = 0,5 M, V2 = 200 mL. Maka: M1 V1 = M2 V2 2 . V1 = 0,5 . 200 V1 = 50 mLm2 + m1 = 75kg m1*v1+m2*v2=0 momentum before event = momentum after event Homework Statement: an object has a total mass of 75kg and is stationary, it then ejects as a smaller object to the left with a velocity of(+ve direction)7 ms-1(v2) with a mass of m2 , the original object then recoils backwards to the right (-ve direction) at a velocity ...Consider the system composed of mı and m2 and also consider the process (a)- (b) illustrated in Fig. 2. There are no forces between the system and the environment. Determine the ratio n= KE/KEas a function of m2/mı and V2/V1, where KE is the kinetic energy inventory. Show that n<1 when V2+V1 and that n is of order 1 when m2/m, is of order 1.Click here👆to get an answer to your question ️ A stationary particle explodes into two particles of masses m1 and m2 which move in opposite direction with velocities v1 and v2 . The ratio of their kinetic energies E1/E2 isInital concentration of Na2SO3 = M1 = 0.1 mol/dm3 Initial Volume = V1 = 25 cm3 (Expt 1) Final concentration of diluted Na2SO3 = M2 Final volume of diluted solution = V2 = 30cm3 Now, M1*V1 = M2*V2 So, 0.1*25 = M2*30 M2 = 0.08 mo …View the full answerIn a nutshell, an M1 license allows motorcyclists to ride all motorcycles or motorized scooters with two wheels. An M2 license limits riding privileges for motorized bicycles, …Two bodies of masses m1 and m2 are dropped from heights h1 and h2. If they have equal momenta on reaching ground and h1>h2. Will the ratio of kinetic energy of m1 to that of m2 is greater than 123 Şub 2014 ... Dilution m1v1=m2v2. 38K views · 9 years ago ...more. Benjamin Shepler. 1.5K. Subscribe. 1.5K subscribers. 149. Share. Save. Report. Comments4.Adding water to a solution is known as dilution | Chegg.com. 2. Adding water to a solution is known as dilution and the new molarity can be calculated by the formula: M1 V1 = M2 V2 (Where M1 and V1 are the original molarity and volume. V2 is the TOTAL VOLUME after the addition of water. (2 pt) a. calculate the pH of a solution made by mixing 45 ...V1=50ml 3.Campuran V1.M1+V2.M2=V3.M3 100(0,1)+100(0,05)=200M3 10+5=200M3 M3=15/200 M3=0,075 7.Kesimpulan Dari hasil percobaan tersebut dapat disimpulkan bahwa sifat koligatif hanya dipengaruhi oleh jumlah jumlah partikel zat yang terlarut di dalam larutan dan tidak di pengarudi ole jenis maupun sifat zat yang terkandung di dalam larutan.Jun 17, 2020 · 📌 Cursos do Estuda Mais 👇👇👇Extensivo de Química ENEM: https://www.hotmart.com/product/extensivo-de-quimica-enem/E14592760MA Química do ENEM: https://www.... Shipping & Delivery. The highly anticipated OMPHobby M1 micro helicopter will be available this fall. This small sized helicopter inherits the great features of the bigger M2 brother, yet much smaller making it ideal for indoor flight in the winter. Product is expected to be shipped around the middle of November, but may encounter delay because ...Simulate m1 = m2 with their respective velocities v1 = v2. Take a screenshot of the simulation. Explain the collision, reaction, and motion of the two masses. Physics for Scientists and Engineers: Foundations and Connections. 1st Edition. ISBN: 9781133939146. Author: Katz, Debora M. Publisher: Cengage Learning. expand_more.Supporting Scientists Since 1982. Tocris Bioscience has been supporting scientists for nearly 40 years! We supply and manufacture over 4500 gold standard and cutting-edge tools, used in every research field including respiratory system , cancer, immunology, cardiovascular, endocrinology,pain and inflammation, cell and gene therapy and stem cells.M 1 represents the molarity of an initial concentrated solution. V 1 represents the volume of the initial concentrated solution. M 2 represents the molarity of the final diluted solution. V 2 represents the volume of the final diluted solution. What is M1V1=M2V2 Calculator?M1, M2 and M3. M1, M2 and M3 are measurements of the United States money supply, known as the money aggregates. M1 includes money in circulation plus checkable deposits in banks. M2 includes M1 plus …m1 + m2 = 8 COE 0.5(m1)(u1)^2 + (m1)(g)(30) + 0.5(m2)(u2)^2 + (m2)(g)(30) = 0.5(m1)(v1)^2 + 0.5(m2)(v2)^2 + (m2)(g)(16) Can you check if my eqn is correct... Homework Statement:: An object of mass 8 kg explodes into two pieces at a height of 30 m from the ground. Both small pieces fly out vertically. After 2 seconds of …17 Şub 2023 ... ... M1.V1 = M2.V2 Örnek 2 06:01 Örnek 3 08:41 c. Çözeltilerin Karıştırılması 10:29 ➽ Aynı türde çözünen içeren iki çözelti karıştırıldığında ...Oct 7, 2019 · M1= initial molarity. V1= initial volume. M2= final molarity. V2= final volume. M1V1=M2V2 is used to solve for the concentration or volume of the concentrated or dilute solution. Thus, you can use the formula M1V1=M2V2 when you are trying to solve from the initial molarity, initial volume, final molarity, or final volume (if you are given at ... Expert Answer. Q1) To calculate ml of NaOH required : As there is 3H's in H3PO4 and 1 OH in NaOH that means we need 3 moles of NaOH for every mole of H3PO4. M1*V1 = M2*V2 NaOH = H3PO4 0.1M*V1 = 0.2M (3)* 15 ml V1 = 0.2M (3)*15ml /0.1M V1 = 90 ml …. View the full answer. Transcribed image text:. So the relationship is based on the fact the number of moles of the sQuestion: Use the dilution equation (M1V1 = M2V2) to calculate the fin Question: Two objects with masses represented by m1 and m2 are moving such that their combined total momentum has a magnitude of 16.2 kg · m/s and points in a direction 71.5° above the positive x-axis. Object m1 is moving in the x direction with a speed of v1 = 2.88 m/s and m2 is moving in the y direction with a speed of v2 = 3.12 m/s. A ball of mass M1 moves with a velocity U1, collides perfectly el M1 Basic Oval w/ Kato Power Pack. 1337x677mm #20-853. M2 Basic Oval and Siding w/ Kato Power Pack. 2019x751mm. Variation set #20-860. V1 Mainline Passing Siding Set #20-861. V2 Single Track Viaduct Set #20-862. V3 Rail Yard Switching Set #20-863. V4 Switching Siding Set #20-864. V5 Inside Loop Track Set Another approach is the say ½m1v1² = ½m2v2² so m1*v1 = m2*v...

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