A train rolls past a stationary observer. To him, the train is moving at a speed of 23m/s west, and a woman on the train is moving at a speed of 22.4m/s west. How long does it take the women to move 13 m relative to the train? A. 24.1s
B.21.7s
C. 23.2s
D. 25.6s

Luke and carrie are driving down a straight section of the interstate at 70 mph in luke's new convertible. carrie is drinking a soda in the passenger seat. when she is done she tosses the bottle straight up in the air, just above the height of the car. what will happen to the bottle if air resistance is neglected? a. the bottle will land in carrie's lap. b. not enough information is given. c. the bottle will land on the interstate in front of the car. d. the bottle will land on the interstate behind the car.

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?