Question

A gymnast does a backflip off a beam. They reach a height of 1.3 meters into the air and land 1.75 meters from their jumping point. The height of the beam is 1.5 meters off the ground. Their center of mass is 0.8 meters above the beam when taking off and 0.8 meters above the floor when they land.

a) What is their initial velocity? include magnitude and angle.

b) If the gymnast wanted to do a double backflip instead, what would their angular velocity have to be to complete teo revolutions before landing?

Answer 1