Questions
The height y and the distance x along the horizontal plane bf the projectile on a certain planet (with no surrounding atmosphere) are given by
where t is in second. The velocity with which the projectile is projected is
detailed solution
Correct option is C
vy=dydt=8−10t=8 when t = 0 at the time of projectionvx=dxdt=6v=vx2+vy2=(8)2+(6)2=10 m/secTalk to our academic expert!
Similar Questions
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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