A turntable that is initially at rest is set in motion with a constant angular acceleration α. What is the magnitude of the angular velocity of the turntable after it has made one complete revolution?

Identical marbles are released from the same height on each of the following four frictionless ramps . compare the speed of the marbles at the end of each ramp. explain your reasoning

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.

=force × distance a. work b. velocity c. pressure d. momentum