A 150 Kg objects is lifted heights of 12 meters . What is the gravitational poteentain energy of the object.

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of

Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)

Frequency of electromagnetic waves that a radio station is assigned is called