The energy of 4900 joule was expanded in lifting a 50 kilogram of mass what is the height?

Q. A total of $4900joule$ was expended in lifting a $50kg$ mass. The mass was raised to a height of

Q. A total of 4900 joules was expended in lifting a 50 kg mass, then the mass was raised to a height of :

Q. 4900 J of work is done in lifting a body of 50 kg mass. Calculate the height through which the body is raised.

Q. To what height should a box of mass 150 kg be lifted, so that its potential energy may become 7350 joules? (g = 9.8 m/s²)

Q. (a) What is the difference between gravitational potential energy and elastic potential energy? Give one example of a body having gravitational potential energy and another having elastic potential energy.
(b) If 784 J of work was done in lifting a 20 kg mass, calculate the height through which it was lifted. (g = 9.8 m/s²)