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 4EP
Verify that your equation has the masses and the velocities before and after the collision. If not, review your result with a classmate or your instructor. Solve the equation for the initial velocity of the projectile, vo.
Note that to calculate the initial projectile velocity vo, the velocity V of the block and projectile combination needs to be known. (The values of the masses can be determined with a balance.) So far, only one conservation principle has been used—the conservation of linear momentum. Now consider the mechanical energy of the system after the collision. Write an expression for the kinetic energy of the system (the mass and bob combo) immediately after collision, and label it Eq. 2.
As the bob swings upward from h1 to a maximum height h2 (GL Fig. 9.1), what is happening to the kinetic energy of the system (neglecting friction)?
If the kinetic energy is decreasing, is there another form of mechanical energy in the system that may be increasing? If so, what is it?
Write an equation for the mechanical energy of the system at h2, and call it Eq. 3.
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V1f = m/s?
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Chapter 9 Solutions
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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