Questions
A ball of mass m accelerates uniformly from rest to v1 in time t1 • As a function of t, the instantaneous power
delivered to the body is
a
mv1tt1
b
mv21t2t1
c
mv1t2t1
d
mv12tt12
detailed solution
Correct option is D
From v=u+at,v1=0+at1F=ma=mv1t1 ∵a=v1t1Velocity acquired in t second =at⇒v=v1t1tPower =Fv=mv1t1v1t1t=mv12t12tTalk to our academic expert!
Similar Questions
If force F is applied on a body and it moves with the velocity V, the power will be :
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