A baseball player hits a line drive horizontally from a height of 1 m. How long will it take the ball to hit the ground?

If the ball traveled 24 m horizontally while it was in the air, what was its initial

velocity?

What was its final velocity?

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up

If the pressure in a gas is doubled while its volume is held constant. true or false

Which statements best describe energy? check all that apply. the total amount of energy in the universe remains constant. the total amount of energy in the universe changes constantly. energy cannot be converted from one form to another. energy can be converted from one form to another. energy cannot be created or destroyed. energy can be created or destroyed.