At a playground you let your kid sister (30 kg) kneel on the surface (near the edge) of a 2.5 meter diameter merry-go-round. You push the merry-go-round so that it constantly accelerates from rest to a final speed of 1.7 rotations per second at the end of a 23 second interval. (please complete all questions using radians)
What is the final angular speed?
What is the constant angular acceleration (sign and magnitude)?
How many revolutions does the merry-go-round make during the 23 seconds interval?
After it comes up to speed, you stop pushing and the merry-go-round continues to run at a constant rate of 1.5 rotations per second. What is the magnitude of your sister's acceleration, if any?