Physics, 24.03.2021 23:50 vicsmi6191
A 10 kg box initially at rest is pulled with a 50 N horizontal force for 4 m across a level surface. The
force of friction acting on the box is a constant 20 N. How much initial kinetic energy does the box
have?
A. 0J
B.10J
C.50J
D.100J
Answers: 1
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A 10 kg box initially at rest is pulled with a 50 N horizontal force for 4 m across a level surface....
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