Hurry i'm being timed on a roller coaster, describe the kinetic and potential energy of the car at the top of the first hill, the bottom of the first drop, and later in the ride. what effect does friction have on the car throughout the ride? enter your answer in the space provided

There are multiple tuning forks present in the room, and annie strikes one with a natural frequency of 400 hz. which of these other tuning forks will begin to vibrate through resonance and make the sound louder? a 200 hz tuning fork a 400 hz tuning fork a 800 hz tuning fork a 1600 hz tuning fork