Questions
A car of mass m is driven with acceleration a along a straight level road against a constant external resistivity force R. When the velocity of car is v, the rate at which the engine of the car is doing work will be
detailed solution
Correct option is C
W=F×v=(R+ma)vTalk to our academic expert!
Similar Questions
A body of mass m is moving in a circle of radius r with a constant speed v. The force on the body is and is directed towards the centre. What is the work done by this force in moving the body over half the circumference of the circle?
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