5th Edition

ISBN: 9780321992277

Author: GIANCOLI

Publisher: PEARSON

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Chapter 9, Problem 17P

Chapter 9, Problem 19P

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A ball is thrown with an initial speed v, at an angle 6, with the horizontal. The horizontal range of the ball is R, and the ball reaches a maximum height R/4. In terms of R and g, find the following. (a) the time interval during which the ball is in motion 2R (b) the ball's speed at the peak of its path v= Rg 2 √ sin 26, V 3 (c) the initial vertical component of its velocity Rg sin ei sin 20 (d) its initial speed Rg √ sin 20 × (e) the angle 6, expressed in terms of arctan of a fraction. 1 (f) Suppose the ball is thrown at the same initial speed found in (d) but at the angle appropriate for reaching the greatest height that it can. Find this height. hmax R2 (g) Suppose the ball is thrown at the same initial speed but at the angle for greatest possible range. Find this maximum horizontal range. Xmax R√3 2

An outfielder throws a baseball to his catcher in an attempt to throw out a runner at home plate. The ball bounces once before reaching the catcher. Assume the angle at which the bounced ball leaves the ground is the same as the angle at which the outfielder threw it as shown in the figure, but that the ball's speed after the bounce is one-half of what it was before the bounce. 8 (a) Assuming the ball is always thrown with the same initial speed, at what angle & should the fielder throw the ball to make it go the same distance D with one bounce (blue path) as a ball thrown upward at 35.0° with no bounce (green path)? 24 (b) Determine the ratio of the time interval for the one-bounce throw to the flight time for the no-bounce throw. Cone-bounce no-bounce 0.940

A rocket is launched at an angle of 60.0° above the horizontal with an initial speed of 97 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 28.0 m/s². At this time, its engines fail and the rocket proceeds to move as a projectile. (a) Find the maximum altitude reached by the rocket. 1445.46 Your response differs from the correct answer by more than 10%. Double check your calculations. m (b) Find its total time of flight. 36.16 x Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. s (c) Find its horizontal range. 1753.12 × Your response differs from the correct answer by more than 10%. Double check your calculations. m

Chapter 9 Solutions

PHYSICS F/SCI.+ENGINEERS W/MOD.PHYSICS

Ch. 9.1 - Prob. 1AE Ch. 9.1 - Light carries momentum, so if a light beam strikes...Ch. 9.2 - In Example 93, what result would you get if (a)...Ch. 9.2 - Prob. 1DE Ch. 9.2 - Return to the Chapter-Opening Questions, page 214,...Ch. 9.8 - Calculate the CM of the three people in Example...Ch. 9.8 - Prob. 1GE Ch. 9.9 - A woman stands up in a rowboat and walks from one...Ch. 9 - We claim that momentum is conserved. Yet most...Ch. 9 - A light object and a heavy object have the same...

Ch. 9 - When a person jumps from a tree to the ground,...Ch. 9 - Prob. 4Q Ch. 9 - Explain, on the basis of conservation of momentum,...Ch. 9 - Prob. 6Q Ch. 9 - If a falling ball were to make a perfectly elastic...Ch. 9 - Prob. 8Q Ch. 9 - It is said that in ancient times a rich man with a...Ch. 9 - The speed of a tennis ball on the return of a...Ch. 9 - Is it possible for an object to receive a larger...Ch. 9 - How could a force give zero impulse over a nonzero...Ch. 9 - In a collision between two cars, which would you...Ch. 9 - Prob. 14Q Ch. 9 - Prob. 15Q Ch. 9 - At a hydroelectric power plant, water is directed...Ch. 9 - A squash hall hits a wall at a 45 angle as shown...Ch. 9 - Prob. 18Q Ch. 9 - Why can a batter hit a pitched baseball farther...Ch. 9 - If a 20-passenger plane is not full, sometimes...Ch. 9 - Prob. 21Q Ch. 9 - Why is the CM of a 1-m length of pipe at its...Ch. 9 - Describe an analytic way of determining the CM of...Ch. 9 - Prob. 24Q Ch. 9 - Bob and Jim decide to play tug-of-war on a...Ch. 9 - Prob. 26Q Ch. 9 - Prob. 27Q Ch. 9 - Prob. 28Q Ch. 9 - Prob. 29Q Ch. 9 - Prob. 30Q Ch. 9 - At a carnival game you try to knock over a heavy...Ch. 9 - Prob. 1MCQ Ch. 9 - Prob. 3MCQ Ch. 9 - Prob. 4MCQ Ch. 9 - Prob. 5MCQ Ch. 9 - Prob. 6MCQ Ch. 9 - Prob. 7MCQ Ch. 9 - Prob. 8MCQ Ch. 9 - Prob. 9MCQ Ch. 9 - Prob. 10MCQ Ch. 9 - Prob. 11MCQ Ch. 9 - Prob. 12MCQ Ch. 9 - Prob. 13MCQ Ch. 9 - Prob. 1P Ch. 9 - Prob. 2P Ch. 9 - Prob. 3P Ch. 9 - Prob. 4P Ch. 9 - Prob. 5P Ch. 9 - Prob. 6P Ch. 9 - Prob. 7P Ch. 9 - Prob. 8P Ch. 9 - Prob. 9P Ch. 9 - Prob. 10P Ch. 9 - Prob. 11P Ch. 9 - Prob. 13P Ch. 9 - Prob. 14P Ch. 9 - Prob. 15P Ch. 9 - Prob. 16P Ch. 9 - Prob. 17P Ch. 9 - Prob. 18P Ch. 9 - Prob. 19P Ch. 9 - Prob. 20P Ch. 9 - Prob. 21P Ch. 9 - Prob. 22P Ch. 9 - (II) Suppose the force acting on a tennis hall...Ch. 9 - (II) The force on a bullet is given by the formula...Ch. 9 - (II) (a) A molecule of mass m and speed v strikes...Ch. 9 - Prob. 26P Ch. 9 - Prob. 27P Ch. 9 - Prob. 28P Ch. 9 - Prob. 29P Ch. 9 - Prob. 30P Ch. 9 - Prob. 31P Ch. 9 - Prob. 32P Ch. 9 - Prob. 33P Ch. 9 - Prob. 34P Ch. 9 - Prob. 35P Ch. 9 - Prob. 36P Ch. 9 - (I) In a ballistic pendulum experiment, projectile...Ch. 9 - Prob. 38P Ch. 9 - Prob. 39P Ch. 9 - Prob. 40P Ch. 9 - Prob. 41P Ch. 9 - Prob. 42P Ch. 9 - Prob. 43P Ch. 9 - Prob. 44P Ch. 9 - Prob. 45P Ch. 9 - Prob. 46P Ch. 9 - Prob. 47P Ch. 9 - Prob. 48P Ch. 9 - Prob. 49P Ch. 9 - (II) A neutron collides elastically with a helium...Ch. 9 - Prob. 51P Ch. 9 - (III) A neon atom (m = 20.0 u) makes a perfectly...Ch. 9 - Prob. 53P Ch. 9 - (I) The distance between a carbon atom (m = 12 u)...Ch. 9 - Prob. 55P Ch. 9 - Prob. 56P Ch. 9 - (II) Three cubes, of side l0,2l0, and 3l0 are...Ch. 9 - Prob. 58P Ch. 9 - Prob. 59P Ch. 9 - Prob. 60P Ch. 9 - Prob. 61P Ch. 9 - Prob. 62P Ch. 9 - Prob. 63P Ch. 9 - (III) Determine the CM of a uniform pyramid that...Ch. 9 - (II) The masses of the Earth and Moon are 5.98 ...Ch. 9 - Prob. 66P Ch. 9 - Prob. 67P Ch. 9 - Prob. 68P Ch. 9 - Prob. 69P Ch. 9 - Prob. 70P Ch. 9 - Prob. 71P Ch. 9 - Prob. 72P Ch. 9 - Prob. 73P Ch. 9 - Prob. 74P Ch. 9 - Prob. 76P Ch. 9 - Prob. 77GP Ch. 9 - Prob. 78GP Ch. 9 - Prob. 79GP Ch. 9 - Prob. 80GP Ch. 9 - Prob. 81GP Ch. 9 - Prob. 82GP Ch. 9 - Prob. 83GP Ch. 9 - Prob. 84GP Ch. 9 - Prob. 85GP Ch. 9 - Prob. 86GP Ch. 9 - Prob. 88GP Ch. 9 - Prob. 92GP Ch. 9 - Prob. 94GP Ch. 9 - Prob. 95GP Ch. 9 - Prob. 96GP Ch. 9 - Prob. 97GP Ch. 9 - A massless spring with spring constant k is placed...Ch. 9 - Prob. 99GP Ch. 9 - The gravitational slingshot effect. Figure 955...Ch. 9 - Prob. 101GP Ch. 9 - Prob. 102GP Ch. 9 - Prob. 103GP Ch. 9 - Prob. 104GP

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Solution Summary: The author explains how to calculate the average force between the ball and bat during contact.

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Chapter 9 Solutions