As you push a cereal box across a tabletop, the sliding friction acting on the cereal box
a.) acts in the direction of motion.
b.) equals the weight of the box.
c.) is usually greater than static friction.
d.) acts in the direction opposite of motion.
2.) projectile motion is caused by
a.) the downward force of gravity.
b.) the initial forward velocity.
c.) a final vertical velocity.
d.) the downward force of gravity and an initial forward velocity.
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Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages
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Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)
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Complete these sentences. if a roller coaster train has a potential energy of 1,500 j and a kinetic energy of 500 j as it starts to travel downhill, its total energy isj. once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 j, and its potential energy decreases to j. when the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isj.
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As you push a cereal box across a tabletop, the sliding friction acting on the cereal box
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