7. A mountain climber of mass 150 kg climbs from 3,500 m to 4,500 m. What is the change in the climber's potential energy? How much work did he do?

Amarble, a bowling ball, a basketball, and a baseball are rolling across the floor at 10 m/s. which one has the greatest kinetic energy? the marble the bowling ball the basketball the baseball

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island