The illustration below shows a ball on a rope. The mass of the ball is 0.4 kg. Assume that the mass of the rope is negligible. Assume that the friction is negligible. What is the maximum speed of the ball as it swings back and forth?
A)0.14 m/s
B)21 m/s
C)7.0 m/s
D)49 m/s

(science)study the following ocean currents map. an ocean currents map is shown. on the map the locations for san diego, california and savannah, georgia are marked. there is a looping current from the north past san diego and a looping current from the south near savannah which statement is most likely correct about the average temperatures in san diego, california as compared to savannah, georgia? it is higher in savannah because of the cool ocean currents from the south. it is higher in savannah because of the warm ocean currents from the north. it is lower in san diego because of the warm ocean currents from the south. it is lower in san diego because of the cool ocean currents from the north.

Which situation will produce the greatest change of momentum

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?