Conceptual 6-2 (A)

Instructions

You MUST include units on every single answer! Otherwise, your answer will be counted as incorrect.

A bobsled team pushes on their (initially stationary) 400 kg sled for 5 seconds to get it up to a speed of 4 m/s

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What is the KE of the sled after the push?

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A giant barbell is on the ground, then a weightlifter uses 400 Newtons of force to raise the barbell 2 meters, which takes 0.5 seconds.

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A hockey player uses 230 Watts of power to hit a 2 kg puck over the course of 1.5 seconds to get it moving.

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