Pwaves move through the crust at a speed of about 6.5 km/s. how far will the p wave move in five seconds?

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.

The solid that is formed and usually sinks to the bottom of a solution is the