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Q1. Blocks A and B are moving toward each other. A has a mass ma =2.0 kg and a velocity Va- 50 î m/s, while B has a mass mB=4.0 kg and a velocity, VBi = - 25 î m/s. After the collision block A is moving with velocity, Vat =30 î m/s and block B is moving with VBf. Use the given symbols throughout the problem. a. Write algebraic equation for initial and final momentums as pi and pf respectively by choosing the direction î and given symbols b. Write algebraic equation for momentum conservation by choosing the direction î and given symbols? c. Solve it for unknown final velocity of block B, VBfafter the collision? What will be the direction?

Q1. Blocks A and B are moving toward each other. A has a mass ma =2.0 kg and a velocity Va- 50 î m/s, while B has a mass mB=4.0 kg and a velocity, VBi = - 25 î m/s. After the collision block A is moving with velocity, Vat =30 î m/s and block B is moving with VBf. Use the given symbols throughout the problem. a. Write algebraic equation for initial and final momentums as pi and pf respectively by choosing the direction î and given symbols b. Write algebraic equation for momentum conservation by choosing the direction î and given symbols? c. Solve it for unknown final velocity of block B, VBfafter the collision? What will be the direction?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Q1. Blocks A and B are moving toward each other. A has a mass ma =2.0 kg and a velocity Va- 50 î m/s, while B has a mass mB=4.0 kg and a velocity, VBi = - 25 î m/s. After the collision block A is moving with velocity, Vaf =30 î m/s and block B is moving with VBf. Use the given symbols throughout the problem. a. Write algebraic equation for initial and final momentums as pi and pf respectively by choosing the direction î and given symbols b. Write algebraic equation for momentum conservation by choosing the direction î and given symbols? c. Solve it for unknown final velocity of block B, VBfafter the collision? What will be the direction? d. Is it an elastic or inelastic collision? Explain and prove your answer? e. Calculate impulse on ball A? Q2. Three particles of masses m1=1.0kg, m2=2.0kg and m3=3.0kg from an equilateral triangle of edge length a=150cm. Where is the COM of the system from the origin where mass m2 is located? ( m3 m1 m2
Transcribed Image Text:Q1. Blocks A and B are moving toward each other. A has a mass ma =2.0 kg and a velocity Va- 50 î m/s, while B has a mass mB=4.0 kg and a velocity, VBi = - 25 î m/s. After the collision block A is moving with velocity, Vaf =30 î m/s and block B is moving with VBf. Use the given symbols throughout the problem. a. Write algebraic equation for initial and final momentums as pi and pf respectively by choosing the direction î and given symbols b. Write algebraic equation for momentum conservation by choosing the direction î and given symbols? c. Solve it for unknown final velocity of block B, VBfafter the collision? What will be the direction? d. Is it an elastic or inelastic collision? Explain and prove your answer? e. Calculate impulse on ball A? Q2. Three particles of masses m1=1.0kg, m2=2.0kg and m3=3.0kg from an equilateral triangle of edge length a=150cm. Where is the COM of the system from the origin where mass m2 is located? ( m3 m1 m2
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