Question 5.4: Sam and his sister are sledging, but Sam wants to ride by hi...
Sam and his sister are sledging, but Sam wants to ride by himself. His sister gives him a push at the top of a smooth straight 15° slope and lets go when he is moving at 2 ms^{-1}. He continues to slide for 5 seconds before using his feet to produce a braking force of 95 N parallel to the slope. This brings him to rest. Sam and his sledge have a mass of 30 kg.
How far does he travel altogether?
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