Questions
An object of mass 4 kg is moving along X-axis such that its position x varies with time t as x2 = 16t3, with t in meter and r in sec. Work done as a function of time can be shown as :
detailed solution
Correct option is C
x2=16t3⇒x=4t3/2⇒v=6t1/2⇒v2=36tBut work done - change in KE. So work done ∝ tTalk to our academic expert!
Similar Questions
A body of mass 3 kg is under a force which causes a displacement in it, given by s =t2 / 3 (in m). Find the work done by the force in 2 second
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