Can you please answer the following multiple choice Physics questions. No explanation needed will be happy to leave a great review. Thanks in advance.

20. A 22.5-ke mass was set on a spring whose spring constant was 563 newtons per meter. How far was the spring compressed? 22.5 kg (a) 0.0400 m (b) 0.196 m (c) 0.392 m (d) 2.55 m 21. A pulse travels along a string that is fixed to a wall. as shown. The Original pulse reaches the wall and is reflected. Which of the following pulse diagrams illustrates the orientation of the reflected pulse? (a) (b) No reflected pulse (c) 22. A turntable spins with an angular speed @. A bug of mass m begins walking slowly from the center toward the rim of the turntable. Which of the following represents the maximum distance / from the center that the bug can stand without slipping? (a) (b) 1530- (c) (d) 23. A car travels around a level circular track of radius r at a constant velocity. If the radius of the track is increased to 6/ and the velocity of the car remains the same, which of the following represents the new centripetal force? (a) Six times the original centripetal force (b) Three times the original centripetal force (c) .One-sixth the original centripetal force (d) One-third the original centripetal force 24. A can of mass mi is attached to a perfect spring and oscillates on a frictionless surface. as shown. The amplitude of the oscillation is A B given byas The kinetic energy of the carl has a maximum value at (a) position A (b) position B ic position C (d) positions A and C