Atrain rolls past a stationary observer. to him, the train is moving at a speed of 32 m/s west, and a woman on the train is moving 30.8 m/s west. how long does it take the woman to move 8 m relative to the train?

Ahonda civic travels in a straight line along a road. its distance x from a stop sign is given as a function of time t by the equation x(t)= î± t2â î² t3, where î± = 1.53 m/s2 and î² = 5.50ã10â2 m/s3 .

Which accurately compares concave and convex lenses?

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?