What does the person transfer to the rope by pulling it up and down at point a?

energy

motion

force

none of the above.

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?

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)

What would be the radius of the earth if it had its actual mass but had the density of nuclei? express your answer to two significant figures and include the appropriate units.