A ball is attached to a vertical spring of 400 N/m spring constant. The ball moves downwards 0.5 meters. What is the mass of the ball?

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon