Question #151135
A 45kg student is ridding on a 7kg skateboard with a velocity 4m/s.The student jumps off the skateboard with the velocity −1m/s. Find the velocity of the skateboard after the student jumped off.
1
Expert's answer
2020-12-14T14:50:45-0500

(45+7)*4 = 45(-1) + 7v.

v=253/7.


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