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Conservation laws

Physics Practice

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APPHY6.T7practicetest Try the following practice test questions. Then, compare your work to the key on the last page 1. Which of the following quantities are units of momentum? (There could be more than one correct choice.) A) N ? m B) kg ? s/m C) kg ? m/s D) N ? s E) kg ? m2/s2 2. The momentum of an isolated system is conserved A) only in inelastic collisions. B) only in elastic collisions. C) in both elastic and inelastic collisions. 3. During World War I, Germany used a "Big Bertha" cannon to hurl shells into Paris 30 miles away. This gun also had a very long barrel. What was the reason for using a long barrel in these guns? A) to exert a larger force on the shells B) to reduce frictional losses

AP Physics Practice Questions

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APPHY6.T7practicetest Try the following practice test questions. Then, compare your work to the key on the last page 1. Which of the following quantities are units of momentum? (There could be more than one correct choice.) A) N ? m B) kg ? s/m C) kg ? m/s D) N ? s E) kg ? m2/s2 2. The momentum of an isolated system is conserved A) only in inelastic collisions. B) only in elastic collisions. C) in both elastic and inelastic collisions. 3. During World War I, Germany used a "Big Bertha" cannon to hurl shells into Paris 30 miles away. This gun also had a very long barrel. What was the reason for using a long barrel in these guns? A) to exert a larger force on the shells B) to reduce frictional losses

Physics Lab 12

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Adelinne Wenger Analyzing The Law of Conservation of Momentum Lab #12 1/6/16 Mr. Glasel Period 5 Purpose: To determine the momentums of two cars after a spring ?explodes? pushing them apart and, for a variety of different situation, demonstrate that the law of conservation of momentum is obeyed in each case. Introduction

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Arnav Sridher Period 2 Physics Collision Investigation Purpose: The purpose of this lab is to investigate the change in total momentum and total kinetic energy of an isolated 2 car collision. Procedure: Go to the website given Set up trial 1 Set a velocity for both cars as well as the mass. Make sure to follow the sheet that says what each trial should include. Press go and record the final velocity for each vehicle Repeat the steps for each trial Once you have 10 trials accounted for, calculate kinetic energy using the equation Ek=1/2(mv2) Once you have done this for the 10 trials, calculate the momentum that each vehicle has using the equation P=mv Data Table: Trials 1-4(elastic), trials 5-8(perfectly inelastic), and trials 9&10(inelastic) M1 (Kg) M2 (Kg) V1 (m/s) V2 (m/s)

Physics Lab 2

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F3 Collision Lab Part I: Scenario 1 Balls Mass (kg) Velocity I. (m/s) Velocity F. (m/s) Momentum I. (kg m/s) Momentum F. (kg m/s) Ball 1 0.50 0.5 0.0 0.5 0.0 Ball 2 0.50 0.0 0.5 0.0 0.5 The relationship between the initial and final total momentum is that they are the same. Ball 1 moves towards Ball 2, which is at rest, at a constant velocity of 0.5 m/s. After Ball 1 collides with Ball 2, Ball 1 stops moving, and Ball 2 begins to move to the east at a 0.5 m/s velocity. Scenario 2 Balls Mass (kg) Velocity I. (m/s) Velocity F. (m/s) Momentum I. (kg m/s) Momentum F. (kg m/s) Ball 1 1.00 1.00 0.33 1.00 0.33 Ball 2 0.50 0.00 1.33 0.00 0.67

Physics Lab

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F3 Collision Lab Part I: Scenario 1 Balls Mass (kg) Velocity I. (m/s) Velocity F. (m/s) Momentum I. (kg m/s) Momentum F. (kg m/s) Ball 1 0.50 0.5 0.0 0.5 0.0 Ball 2 0.50 0.0 0.5 0.0 0.5 The relationship between the initial and final total momentum is that they are the same. Ball 1 moves towards Ball 2, which is at rest, at a constant velocity of 0.5 m/s. After Ball 1 collides with Ball 2, Ball 1 stops moving, and Ball 2 begins to move to the east at a 0.5 m/s velocity. Scenario 2 Balls Mass (kg) Velocity I. (m/s) Velocity F. (m/s) Momentum I. (kg m/s) Momentum F. (kg m/s) Ball 1 1.00 1.00 0.33 1.00 0.33 Ball 2 0.50 0.00 1.33 0.00 0.67
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