Questions
A projectile is thrown in the upward direction making an angle of 60° with the horizontal direction with a velocity of 147 m s-1. Then the time after which its inclination with the horizontal is 45°, is:
detailed solution
Correct option is C
ux = ux = 147 cos 60° and vy = uy = gt = 147 sin60° - (9.8) tIf its inclination with the horizontal is 45°, then vx = uySo, t=1473-12×9.8=5.49sTalk to our academic expert!
Similar Questions
Assertion : When the velocity of projection of a body is made n times, its time of flight becomes n times.
Reason : Range of projectile does not depend on the initial velocity of a body.
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