1.

A body of mass 60 kg is pushed up with just enough force to start in moving on a rough surface with mu_(S)=0.5 and mu_(K)=0.4 and the force continues to act afterwards. What is the acceleration of the body is

Answer»

`14.7 MS^(-2)`
`1.96 ms^(-2)`
`0.98 ms^(-2)`
`4.9 ms^(-2)`

ANSWER :C


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