A body of mass 30 kg moves with an initial speed of 20 m/s. If a retar – McqOptions

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1.	A body of mass 30 kg moves with an initial speed of 20 m/s. If a retarding force of 60 N is applied, how long will the body body take to stop?
A.	-10 s
B.	10 s
C.	9 s
D.	0.10 s
Answer» C. 9 s

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