Look closely at the diagram that shows a roller coaster car at various points along the ride. Use it to answers Questions 3–4.

The slope of a good speed time indicates ? a. velocity b. acceleration c. direction d. speed

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

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