NEED HELP PLEASE, WITH SOLUTIONS (KINDLY WRITE THE SOLUTIONS ON A SEPARATE SHEET OF PAPER) Subject: Physics 2) Find the force needed to serve a 60 g tennis ball at 30 m/s. The ball and the racket are in contact for 5.0 x 10^-3 s. a. 420 N b. 360 N c. 135 N d. Other 3) A force of 2000 N is applied to a 1000 kg car that is moving at 5.0 m/s. What will be the speed of the car after 10 seconds? a. 5.0 m/s b. 20 m/s c. None of the above d. 10 m/s 4) A constant net force of 400 N is exerted to accelerate a cart from rest to a velocity of 40 m/s in 10 s. What is the mass of the cart? a. None of the above b. 10 kg c. 5 kg d. 20 kg 5) A net horizontal force of 5000 N is applied to a stalled car whose mass is 1500 kg. What will be the car's speed after 10 s? a. 3.33 m/s b. None of the above c. 33 m/s d. 40.2 m/s 6) A juggler tosses three balls alternatively vertically upward. Each ball has an initial velocity of 5 m/s. How high does each ball rise? a. None of the above b. 1.28 m c. 1.16 m d. 0. 54 m From the given problem in No. 6, how long does each ball remain in the air? a. 1.00 s b. 1. 01 s c. 1. 02 s d. None of the above 7) A golf ball is dropped from a height of 5.0 m. How long will it take to reach the ground? a. None of the above b. 1.20 s c. 1.10 s d. 1.0 s From the given problem in No. 7, how fast will the ball hit the ground? a. None of the above b. -9.8 m/s c. 1. 6 m/s d. 0. 03 m/s 8) A tilapia is dropped by a hovering eagle. How far will the fish fall in 2.0 s before the bird catches it again? Neglect air friction. a. 10. 12 m b. None of the above c. 20.4 m d. 19. 6 m