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A man of mass m runs without sliding fro...

A man of mass `m` runs without sliding from rest from one end of a boat of mass `M` and length `l` with an acceleration a relative to the boat. If the friction between water and boat is neglected find the

a. acceleration of CM of the system `(M+m)`
b. acceleration of the man and boat
c. position of man at the time when he reaches to other end of the boat
d. frictional force
e. work done by friction on boat.
f. total work done by friction.
g. velocities of man and boat when the man reaches other end of the boat.
h. work down by man

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