Thursday, November 10, 2011
A 0.25 kg puck slides on ice at a constant speed of 2 m/s for two seconds and then encounters a rough surface?
A 0.25 kg puck slides on ice at a constant speed of 2 m/s for two seconds and then encounters a rough surface which causes the puck to stop. What is the work done by friction in stopping the puck?
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