Physics Laboratory Experiments
8th Edition
ISBN: 9781285738567
Author: Jerry D. Wilson, Cecilia A. Hernández-Hall
Publisher: Cengage Learning
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Textbook Question
Chapter 9, Problem 2EP
If the horizontal momentum is considered to be conserved in the collision, what can you say about the two expressions for momentum that you determined above?
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Physics Laboratory Experiments
Ch. 9 - In terms of the variables given in GL Fig. 9.1,...Ch. 9 - If the horizontal momentum is considered to be...Ch. 9 - Write an equation for the conservation of momentum...Ch. 9 - Verify that your equation has the masses and the...Ch. 9 - How are Eqs. 2 and 3 related by the conservation...Ch. 9 - Prob. 6EPCh. 9 - Prob. 7EPCh. 9 - Prob. 8EPCh. 9 - Prob. 9EPCh. 9 - Prob. 1ASA
Ch. 9 - Why is it justified to say that the momentum in...Ch. 9 - Why are the heights measured to the center of mass...Ch. 9 - After the horizontal projectile leaves the gun,...Ch. 9 - How is the location where the ball strikes the...Ch. 9 - Besides the range, what else is needed to...Ch. 9 - For a given initial velocity, how does the range...Ch. 9 - Theoretically, the angle of projection for maximum...Ch. 9 - Is the collision between the ball and the pendulum...Ch. 9 - Expressing the kinetic energy in terms of momentum...Ch. 9 - Prob. 5QCh. 9 - What effect does the force of gravity have on the...Ch. 9 - What effect would air resistance have on the range...Ch. 9 - Prob. 9Q
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- If a rainstorm drops 1 cm of rain over an area of 10km2 in the period of 1 hour, what is the momentum of the rain that falls in one second? Assume the terminal velocity of a raindrop is 10 m/s.arrow_forwardTwo identical objects (such as billiard balls) have a one-dimensional collision in which one is initially motionless. After the collision, the moving object is stationary and the other moves with the same speed as the other originally had. Show that both momentum and kinetic energy are conserved.arrow_forwardCan objects in a system have momentum while the momentum of the system is zero? Explain your answer.arrow_forward
- A ball of mass 250 g is thrown with an initial velocity of 25 m/s at an angle of 30 with the horizontal direction. Ignore air resistance. What is the momentum of the ball after 0.2 s? (Do this problem by finding the components of the momentum first, and then constructing the magnitude and direction of the momentum vector from the components.)arrow_forwardCheck Your Understanding Would the ball’s change of momentum have been larger, smaller, or the same, if it had collided with the floor and stopped (without bouncing)? Would the ball’s change of momentum have been larger, smaller, or the same, if it had collided with the floor and stopped (without bouncing)?arrow_forwardThe x-component of a force on a 46-g golf ball by a 7-iron versus time is plotted in the following figure: Find the x-component of the impulse during the intervals i. [0,50ms] , and ii. [50ms,100ms] Find the change in the x-component of the momentum during the intervals iii. [0,50ms] , and iv. [50ms,100ms]arrow_forward
- Must the total energy of a system be conserved whenever its momentum is conserved? Explain why or why not.arrow_forwardWhat is the average momentum of an avalanche that moves a 40-cm-thick layer of snow over an area of 100 m by 500 m over a distance of 1 km down a hill in 5.5 s? Assume a density of 350kg/m3 for the snow.arrow_forwardDerive the equations giving the final speeds for two objects that collide elastically, with the mass of the objects being m1 and m2 , and the initial speeds being v1,i and v2,i=0 (i.e., second object is initially stationary).arrow_forward
- A cruise ship with a mass of 1.00107kg strikes a pier at a speed of 0.750 m/s. It comes to rest after traveling 6.00 m, damaging the ship, the pier, and the tugboat captain’s finances. Calculate the average force exerted on the pier using the concept of impulse. (Hint: First calculate the time it took to bring the ship to rest, assuming a constant force.)arrow_forwardYou friend claims that momentum is mass multiplied by velocity, so things with more mass have more momentum. Do you agree? Explain.arrow_forwardCheck Your Understanding Suppose the initial velocities were not at right angles to each other. How would this change both the physical result and the mathematical analysis of the collision?arrow_forward
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Impulse Derivation and Demonstration; Author: Flipping Physics;https://www.youtube.com/watch?v=9rwkTnTOB0s;License: Standard YouTube License, CC-BY