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

30. When a muscle contracts, it exerts a force on the bone to which it is attached. The mass of the forearm and hand shown is 2.33 kg. and the center of mass of the forearm and the hand is 18.2 cm FM from the elbow joint, as shown. The mass of the ball is 5.21 kg. What is the magnitude of the force FM that must be exerted by the muscle in order to keep the system in equilibrium? (a) 63.1 N (b) 337 N 3.90 cm (c) 619 N 18.2 cm (d) 917 N 39.1 cm- 31. Which of the following does not illustrate a feasible method of altering the orientation of an image produced from an object or another image by using a prism? (a) Image (1) ( b ) Image Image (2) Object () Image (1) (d) Object Image (2) Image 32. The original period of a simple pendulum is 7. The length of the simple pendulum is then quadrupled and its mass is doubled. What is the new period of the simple pendulum in terms of T? ( a ) I ( b ) 2 7 (C) AT (d) 27 33. On a standard day the speed of sound is 345 meters per second. A whistle whose frequency is 725 Hz is moving toward an observer at a speed of 25.2 meters per second. What is the wavelength of the sound at the observer? (a) 0.367 m {b) 0.441 m (c) 0.511 m (d) 0.623 m 34. A heal engine operates between the temperatures 2750.C and 250 C. What is the maximum possible efficiencyof this heat engine? 18) 9.09% (b) 17.39% (C) 82.79 (d): 90.9%