A boxer punches a sheet of paper

By Allen Kazadi

A boxer punches a sheet of paper in midair from rest to a speed of 20 m/s in 0.05 s. If the mass of the paper is 0.01 kg, the force of the punch on the paper is

A) 0.08 N.
B) 4.0 N.
C) 8.0 N.
D) 40 N.

Answer:

C) 8.0 N.

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