A gymnast is performing a floor routine. In a tumbling run she spins through the air, increasing her angular velocity from 3.40 to 5.40 rev/s while rotating through one half of a revolution. How much time does this maneuver take

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg