Newton's first law of motion states that an object in motion tends to stay in motion unless it
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Physics, 21.09.2019 02:20 jeurycruz15p6vpch
Newton's first law of motion states that an object in motion tends to stay in motion unless it
a
starts to decelerate.
b
runs out of kinetic energy.
с
is acted upon by another force.
d
approaches the speed of light
Answers: 2
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When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.
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Consider a small frictionless puck perched at the top of a fixed sphere of radius r. if the puck is given a tiny nudge so that it begins to slide down, through what vertical height will it descend before it leaves the surface of the sphere? [hint: use conservation of energy to find the puck's speed as a func e conservation of energy to find the puck's speed as a function of its height at what value of this normal force does the puck leave the sphere? ] here on the puck.
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