Questions
A stone is projected from the ground with velocity 50 m/s at an angle of with the horizontal. It crosses a wall after 3 sec. How far beyond the wall the stone will strike the ground. (g=10m/)
detailed solution
Correct option is C
its total time of flight T =2 u sinθg= 5 sec in remaining 2 sec horizontal distance travelled u cosθ x2Talk to our academic expert!
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A body of mass 1 kg is moving along positive x-axis with velocity 2 m/s. At t = 0, a constant force, parallel to positive y-axis, starts acting on the body and after 5 sec, speed of the body is found to be 4 m/s. Then work done by the force in 5 sec is
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