A car moving along a race track has a centripetal acceleration of 15.3 m/s2. If the speed of the car is 25.5 m/s, what is the distance between the car and the center of the track?

Find the volume of the ellipsoid x^2+y^2+5z^2=36.

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.