Question :The time taken by a block of wood (initially at rest)to slide down a smooth inclined plane 9.8 𝑚 long (angle of inclination is 30°) is
(A) 1/2 sec
(B) 2 sec
(C) 4 sec
(D) 1 sec
Answer : option (B)
Solution :
The time taken by a block of wood (initially at rest)to slide down a smooth inclined plane 9.8 𝑚 long
(angle of inclination is 30°) is
with
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