You take a trip that covers 320 km and it takes 4 hours. Your average speed is km/hr. (hint: remember s=d/t) • A-20 • B- 40 • C C-80 • D-160

The radius of a sphere is increasing at a rate of 9 cm/ sec. find the radius of the sphere when the volume and the radius of the sphere are increasing at the same numerical rate.

Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.

Which of the following list the divisions of the geologic time scale in order from longest to shortest