[" truck weighing "5000kgf" and a cart weighing "500kgf" are moving with the same speed.Compare thei "],[" netic energies."]

A truck weighing 5000 kg f and a cart weighing 500 kg f are moving with the same speed. Compare their kinetic energies.

A truck weighing 5xx10^3 kgf and.a cart weighing 500 kgf are moving with the same speed. Compare their kinetic energies.

A truck weighing 5xx10^(3) kgf and a cart weighing 500 kgf moving with the same speed Compare their kinetic energies.

A car and a truck are moving with the same velocity of 60 kmh^-1 . Which one has more kinetic energy?

A thin hollow cylinder, open at both ends and weighing 5kg (a) slides with a speed of 10 m//s without rotating (b) rolls with the same speed without slipping. Compare the kinetic energies of the cylinder in the two cases.

A boy weighing 40 kgf climbs up a stair of 30 steps each 20 cm high in 4 minutes and a girl weighing 30 kgf does the same in 3 minutes.Compare: (i)the work done by them.and (ii)the power developed by them .

Two railway wagons weighing 5000 kg and 7500kg are moving at 10ms^(-1) and 2ms^(-1) in the same direction. After collision they stick together and move with the same velocity. Find the common speed and direction of motion.