When a 40 kg boy climbs a hills , his potential energy increases by `9.8xx10^(4)` J. What is the height of the hill ?

A book of mass 1 kg is raised through a height 'h'. If the potential energy increased by 49 J, find the height raised.

A book of mss 1 kg is raised through a height 'h'. If the potential energy increased by 49 J, find the height raised.

A book of mass 1 kg is raised through a height .h.. If the potential energy increased by 49 J, find the height raised.

The top of a hill when observed from the top and bottom of a building of height h is at angles of elevation P and q respectively. What is the height of the hill ?

The potential energy of a satellite is -8times10^(4)J ,then what is its binding energy?