Asteel block has a volume of 0.08 m³ and a density of 7,840 kg/m³. what is the force of gravity acting on the block (the weight) in water?

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

How many times did thomas edison mess up the light bulb

A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.