Conceptual 6-2 (A)

Last updated almost 3 years ago

9 questions

Note from the author:

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

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

Required

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.

Required

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.

Required

What is the KE of the sled after the push?