[" 3.An object of mass "2kg" is lifted "],[" vertically through a distance of "],[1.5m" .The work done in process is "],[[" (a) "29.4J" (b) "19.4J" (c) "17.4J" (d) "20.4J]]

A body of mass 1 kg is lifted through a height of 1m, then its work done is

A body of mass 5 kg is lifted through a height of 20 m. Calculate the work done by the applied force.

An object of 100 kg is lifted to a height of 10 m vertically. What will be the work done ? [g = 9.8 m//s^(2)]

A box of mass 10 kg is lifted through a height of 10 m in 49 s. Find the corresponding power.

What power is needed to lift a 49-kg person a vertical distance of 5.0 m in 20.0 s ?

An object of mass 10 kg falls from rest through a vertical distance of 10 m and acquires a velocity of 10 ms^(-1) . The work done by the push of air on the object is (g = 10 ms^(-2) )

An object of mass 10 kg falls from rest through a vertical distance of 10 m and acquires a velocity of 10 ms^(-1) . The work done by the push of air on the object is (g = 10 ms^(-2) )

An object of mass 5kg falls from rest through a verticle distance of 20m and reaches a velocity of 10ms^-1 . How much work is done by the push of the air on the object? (g = 10 ms^2)

An object of mass 2 kg is thrown downwards. What is the work done by he gravity during the vertical displacement of object through 3 m?