A student swings a 0.5kg rubber ball attached to a string over her head in a horizontal, circular path. The string is 1.5 meters long and in 60 seconds the ball makes 120 complete circles.

What is the velocity of the ball?

What is the ball’s centripetal acceleration?

What is the ball’s centripetal force?

Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod

What does the law of conservation of mass state?

In the united states, tornadoes generally occur because of the freezing of ocean water underwater earthquakes meeting of cool and warm air masses shifting of warm and cool ocean currents