A bullet is fired out of a rifle with a velocity of 114 m/s off of a platform that is 39 m high. What will be the bullet's final vertical velocity?

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

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?

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?