If 9.5 waves break on a beach in 1.0 minute what is the frequency answer

Acar travels along a highway with a velocity of 24 m/s, west. the car exits the highway; and 4.0 s later, its instantaneous velocity is 16 m/s, 45° north of west. what is the magnitude of the average acceleration of the car during the four-second interval?

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?