Question

A particle is projected up the inclined such that its component of velocity along the incline is 10 m/s. Time of flight is 2 sec and maximum height above the incline is 5 m. Then velocity of projection will be:

(A) 10 m/s 

(B) 10√2m/s 

(C) 5 m/s 

(D) none

Answer 1

Correct option (B)

Explanation:

Use the given data in the formulae for projection up the inclined plane.