13. A child wishes to determine the speed a slingshot imparts to a rock. How can this be done using only a
meter stick, a rock, and the slingshot?

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

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg

Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above