Asked by ankush

A marble rolling on smooth floor has a initial velocity of 0.4 m/s if floor offers a retardation of 0.02 m/s2 calculate the time it will take to rest
Answered by Damon
calculate velocity leaving the floor, Vi
then
v = Vi - g t
0 = Vi - 9.81 t
Answered by Arun dhan
Now
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