Work, Power and EnergyEasy
Question
A body of 2 kg mass is moving under a force. The relation between time and displacement is x = 
where x is in meter and t is time in second. Work done in first two seconds is :-
where x is in meter and t is time in second. Work done in first two seconds is :-Options
A.1.6J
B.16J
C.160J
D.1600J
More Work, Power and Energy Questions
When a rubber-band is stretched by a distance x, it exerts a restoring force of magnitude F = ax + bx2 where a and b are...The rain drop of mass 1 g , starts with zero velocity from a height of 1 km . It hits the ground with a speed of $5\text...A 1.0 H.P. motor pumps out water from a well of depth 20m and fills a water tank of volume 2238 liters at a height of 10...The potential energy function for the force between two atoms in a diatomic molecule is approximately given by U(x) = wh...If the system is released from rest then speed of mass m when it has travelled a distance d on a rough surface is :...