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A 50 kg student stands on a 4 kg skateboard at rest. The student catches a 9 kg backpack moving with a horizontal speed of 2 m/s in the direction the skateboard is free to roll. How fast will the student
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14 votes
14 votes
A 50 kg student stands on a 4 kg skateboard at rest. The student catches a 9 kg backpack moving with a horizontal speed of 2 m/s in the direction the skateboard is free to roll.

How fast will the student and the skateboard move after catching the backpack, assuming friction is negligible? Round your final answer to the hundredths place.​

User Fronk
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1 Answer

21 votes
21 votes
Full mass= 63 kg
63/2= 31.5?
Not sure so good luck
User Timofey Drozhzhin
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3.1k points
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