FUNDAMENTALS OF PHYSICS - EXTENDED
12th Edition
ISBN: 9781119773511
Author: Halliday
Publisher: WILEY
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Chapter 8, Problem 49P
SSM ILW A 25 kg bear slides, from rest, 12 m down a lodgepole pine tree, moving with a speed of 5.6 m/s just before hitting the ground. (a) What change occurs in the gravitational potential energy of the bear–Earth system during the slide? (b) What is the kinetic energy of the bear just before hitting the ground? (c) What is the average frictional force that acts on the sliding bear?
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Chapter 8 Solutions
FUNDAMENTALS OF PHYSICS - EXTENDED
Ch. 8 - SSM What is the spring constant of a spring that...Ch. 8 - A 1.50 kg snowball is fired from a cliff 12.5 m...Ch. 8 - GO In Problem 2, what is the speed of the car at a...Ch. 8 - a In Problem 3, what is the speed of the book when...Ch. 8 - SSM WWW a In Problem 5, what is the speed of the...Ch. 8 - a In Problem 8, using energy techniques rather...Ch. 8 - SSM A 5.0 g marble is fired vertically upward...Ch. 8 - a In Problem 4, what initial speed must be given...Ch. 8 - A 700 g block is released from rest at height h0...Ch. 8 - In Problem 6, what are the magnitudes of a the...
Ch. 8 - a In Problem 7, what is the speed of the ball at...Ch. 8 - GO A pendulum consists of a 2.0 kg stone swinging...Ch. 8 - Figure 8-34 shows a pendulum of length L = 1.25 m....Ch. 8 - At t = 0 a 1.0 kg ball is thrown from a tall tower...Ch. 8 - A conservative force F=(6.0x12)i N, where x is in...Ch. 8 - Tarzan, who weighs 688 N, swings from a cliff at...Ch. 8 - A uniform cord of length 25 cm and mass 15 g is...Ch. 8 - GO Figure 8-50 shows a plot of potential energy U...Ch. 8 - The potential energy of a diatomic molecule a...Ch. 8 - A single conservative force Fx acts on a 1.0 kg...Ch. 8 - A worker pushed a 27 kg block 9.2 m along a level...Ch. 8 - A collie drags its bed box across a floor by...Ch. 8 - A horizontal force of magnitude 35.0 N pushes a...Ch. 8 - SSM A rope is used to pull a 3.57 kg block at...Ch. 8 - An outfielder throws a baseball with an initial...Ch. 8 - A 75 g Frisbee is thrown from a point 1.1 m above...Ch. 8 - SSM ILW A 25 kg bear slides, from rest, 12 m down...Ch. 8 - A 60 kg skier leaves the end of a ski-jump ramp...Ch. 8 - During a rockslide, a 520 kg rock slides from rest...Ch. 8 - A large fake cookie sliding on a horizontal...Ch. 8 - A child whose weight is 267 N slides down a 6.1 m...Ch. 8 - You push a 2.0 kg block against a horizontal...Ch. 8 - A cookie jar is moving up a 40 incline. At a point...Ch. 8 - A stone with a weight of 5.29 N is launched...Ch. 8 - Prob. 60PCh. 8 - When a click beetle is upside down on its back, it...Ch. 8 - A 3.2 kg sloth hangs 3.0 m above the ground. a...Ch. 8 - From the edge of a cliff, a 0.55 kg projectile is...Ch. 8 - SSM The temperature of a plastic cube is monitored...Ch. 8 - SSM To form a pendulum, a 0.092 kg ball is...Ch. 8 - We move a particle along an x axis, first outward...Ch. 8 - SSM A 1500 kg car begins sliding down a 5.0...Ch. 8 - SSM A 15 kg block is accelerated at 2.0 m/s2 along...Ch. 8 - A certain spring is found not to conform to Hookes...Ch. 8 - SSM Each second, 1200 m3 of water passes over a...Ch. 8 - A 1.50 kg water balloon is shot straight up with...Ch. 8 - A 2.50 kg beverage can is thrown directly downward...Ch. 8 - A constant horizontal force moves a 50 kg trunk...Ch. 8 - A volcanic ash flow is moving across horizontal...Ch. 8 - The luxury liner Queen Elizabeth 2 has a...Ch. 8 - A factory worker accidentally releases a 180 kg...Ch. 8 - If a 70 kg baseball player steals home by sliding...Ch. 8 - A 0.50 kg banana is thrown directly upward with an...Ch. 8 - A metal tool is sharpened by being held against...Ch. 8 - A swimmer moves through the water at an average...Ch. 8 - An automobile with passengers has weight 16 400 N...Ch. 8 - A 0.63 kg ball thrown directly upward with an...Ch. 8 - The summit of Mount Everest is 8850 m above sea...Ch. 8 - A sprinter who weighs 670 N runs the first 7.0 m...Ch. 8 - Prob. 104PCh. 8 - A machine pulls a 40 kg trunk 2.0 m up a 40 ramp...Ch. 8 - Prob. 106PCh. 8 - The only force acting on a particle is...Ch. 8 - In 1981, Daniel Goodwin climbed 443 m up the...Ch. 8 - A 60.0 kg circus performer slides 4.00 m down a...Ch. 8 - A 5.0 kg block is projected at 5.0 m/s up a plane...Ch. 8 - A 9.40 kg projectile is fired vertically upward....Ch. 8 - A 70.0 kg man jumping from a window lands in an...Ch. 8 - A 30 g bullet moving a horizontal velocity of 500...Ch. 8 - A 1500 kg car starts from rest on a horizontal...Ch. 8 - A 1.50 kg snowball is shot upward at an angle of...Ch. 8 - Prob. 116PCh. 8 - A 20 kg block on a horizontal surface is attached...Ch. 8 - Resistance to the motion of an automobile consists...Ch. 8 - SSM A 50 g ball is thrown from a window with an...Ch. 8 - A spring with a spring constant of 3200 N/m is...Ch. 8 - A locomotive with a power capability of 1.5 MW can...Ch. 8 - SSM A 0.42 kg shuffleboard disk is initially at...Ch. 8 - A river descends 15 m through rapids. The speed of...Ch. 8 - The magnitude of the gravitational force between a...Ch. 8 - Approximately 5.5 106 kg of water falls 50 m over...Ch. 8 - To make a pendulum, a 300 g ball is attached to...Ch. 8 - Prob. 127PCh. 8 - Prob. 128PCh. 8 - Prob. 129PCh. 8 - Prob. 130PCh. 8 - Prob. 131PCh. 8 - Prob. 132PCh. 8 - Prob. 133PCh. 8 - Prob. 134PCh. 8 - Prob. 135PCh. 8 - Prob. 136P
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