A carpenter on top of a roof of 20.0m high dropped a hammer of mass 1.5 kg and it fell directly to the ground. the kinetic energy of the hammer just before hitting the ground is?

[g = 10 ms^-2]

Similar Questions

In a sound wave in air, the adjacent rarefactions and compressions are separated by a distance of 17...

A current carrying conductor experiences a force when placed in a magnetic field because the ...

Which of the following statements best describes a rigid body? A body which ...

In the diagram above, MN is perpendicular to ON and MR what is the difference between the moment abo...

The diagram above shows the position of a simple pendulum set in motion. At which of the positions d...

From the diagram above, determine the value of the resistance X ...

Which of the following waves can propagate through a vacuum? ...

Two forces 3N and 4N act on a body in directions due north and due east respectively. Calculate thei...

A block of volume 3 x 105m3 and density 2.5 x 103 kg m-3 is suspended from a spring balance with \(\...

The terrestrial telescope has one extra lens more than the astronomical telescope. The extra lens is...