The circle's radius in Case A is one-half that of Case B. The period (time for one circle) is the same in each case. How

does the speed in Case A compare to the speed in Case B?

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

What’s #16 asking me and how do i solve it?

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)