A person is lifted 24 meters by the elevator in a building. If the person has a mass of 74 kg, what is the gravitational potential
energy gained by the person? Estimate g to 9.81 and keep 5
significant figures.

Avalue that describes how heavy an object is and is related to the force of gravity is

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?

You hang a book bag on a spring scale and place the bag on a platform scale so that the platform scale reads 23.7n and the spring scale reads 13.8n. what is the magnitude of the force that earth exerts on the bag?