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​

Answer 1

Answer:

ANSWER

REF.Image

By equation of motion

S=cot+

2

1

cot

2

9.8=0×t+

2

1

×9.8sinθt

2

t

2

=

sinθ

2

⇒t=2sec

solution