A computer is reading data from a rotating CD-ROM. At a point that is 0.0268 m from the center of the disk, the centripetal acceleration is 339 m/s2. What is the centripetal acceleration at a point that is 0.0795 m from the center of the disc?

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

When an object is heated it contracts. a. true b. false

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?