Which has more inertia?

A: A feather
B: A grain of sand
C: A boulder

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Aphysical change is a change in the size, shape,, or stafe of matter true or false

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?