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 30o) is

(1) 12sec

(2) 2 sec

(3) 4 sec

(4) 1 sec

Concept Videos :-

#26-Equations-for-Uniform-Acceleration
#27-Equations for Uniform Acceleration 28Calculus Method29
#28-Sign Convention
#29-Solved Examples 16
#31-Solved-Examples-18
#32-Solved Examples 19
#33-Solved Examples 20
#34-Solved-Examples-21
#35 Solved Examples 22
#30-Solved Examples 17

Concept Questions :-

Uniformly accelerated motion

(2) For one dimensional motion along a plane

S=ut+12at29.8=O+12gsin30ot2t=2sec  

Difficulty Level:

  • 13%
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