Hello, I need some help with physics. thank you!

Question 1

A merry-go-round slows down from 23 rad/s at a rate of -15 rad/s^2. How long will it take in seconds for the ride to come to a stop? Round your answer to 2 decimal places.

Question 2

A merry-go-round is rotating with a velocity of 9.8 rad/s and has a diameter 2.6 m. If an object falls off the edge, what will be it's initial linear velocity? Round your answer to 1 decimal place.

Question 3

You are coding a Wheel of Fortune type game. The player gives the wheel an initial angular velocity of 26 rad/s, and the pegs decelerate it at a rate of -1.5 rad/s^2. What is the angular displacement after 7 seconds? Give your answer in radians and round to 4 significant digits.