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

Which of the following physical quantities are derived? i. Area ii. Thrust iii. Pressure iv. M...

A stone of mass 300g is released from rest from the top of a building of height 100m. Determine the ...

The electric supply from Kainji Dam is transmitted at high voltages of the order hundreds of kilovol...

The linear expansivity of brass is 2 x 10-5C-1. If the volume of a piece of brass is 15.00cm3 at 00C...

The ability of the eye to focus on objects at various distances is known as ...

A quantity of water at 0°C is heated to about 30°C. At each degree rise in temperature, its densit...

A wire of length 100cm and cross-sectional area of 2.0 x 10-3cm2 has a resistance of 0.10 Ω. Calcul...

An alternating current, having the waveform shown in the diagram above, is represented by the equati...

Three forces with magnitudes 16 N, 12 N and 21 N are shown in the diagram below. Determine the magni...

The eclipse of the moon occurs when the ...