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# Describing and Calculating Energy ChangesA bowler lifts a ISBN: 9780321696724 27

## Solution for problem 1PE Chapter 5

Chemistry: The Central Science | 12th Edition

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Problem 1PE

Describing and Calculating Energy Changes

A bowler lifts a 5.4-kg (12-lb) bowling ball from ground level to a height of 1.6 m (5.2 ft) and then drops it.

(a) What happens to the potential energy of the ball as it is raised? (b) What quantity of work, in J, is used to raise the ball? (c) After the ball is dropped, it gains kinetic energy. If all the work done in part(b) has been converted to kinetic energy by the time the ball strikes the ground, what is the ball’s speed just before it hits the ground? (Note: The force due to gravity is F = m × g, where m is the mass of the object and g is the gravitational constant; g = 9.8 m/s2.)

What is the kinetic energy, in J, of (a) an Ar atom moving at a speed of 650 m/s, (b) a mole of Ar atoms moving at 650 m/s? (Hint: 1 amu = 1.66 × 10-27 kg.)

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##### ISBN: 9780321696724

The answer to “Describing and Calculating Energy ChangesA bowler lifts a 5.4-kg (12-lb) bowling ball from ground level to a height of 1.6 m (5.2 ft) and then drops it.(a) What happens to the potential energy of the ball as it is raised? (b) What quantity of work, in J, is used to raise the ball? (c) After the ball is dropped, it gains kinetic energy. If all the work done in part(b) has been converted to kinetic energy by the time the ball strikes the ground, what is the ball’s speed just before it hits the ground? (Note: The force due to gravity is F = m × g, where m is the mass of the object and g is the gravitational constant; g = 9.8 m/s2.)What is the kinetic energy, in J, of (a) an Ar atom moving at a speed of 650 m/s, (b) a mole of Ar atoms moving at 650 m/s? (Hint: 1 amu = 1.66 × 10-27 kg.)” is broken down into a number of easy to follow steps, and 161 words. Since the solution to 1PE from 5 chapter was answered, more than 299 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 1PE from chapter: 5 was answered by , our top Chemistry solution expert on 04/03/17, 07:58AM. Chemistry: The Central Science was written by and is associated to the ISBN: 9780321696724. This full solution covers the following key subjects: ball, Energy, Ground, kinetic, speed. This expansive textbook survival guide covers 49 chapters, and 5471 solutions. This textbook survival guide was created for the textbook: Chemistry: The Central Science, edition: 12.

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