4. A 60-g tennis ball approaches a racket at 15 m/s is in contact with the racket for 0.005 sec and then rebounds at 20 m/s. Find the average force that the racket exerted on the ball.

Q: 7) A block of mass m1 = 10.5 kg slides along a horizontal surface (with friction, \mu k = 0.32) a…

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Q: 0.145-kg baseball pitched at 38.0 m/s is hit on a horizontal line drive straight back at the pitcher…

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Q: A sodapop can is 25 cm tall and made of aluminum. It has a mass of 50 grams. The soda is currently…

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Q: 1) Two blocks are free to slide along a frictionless wooden track ABC as shown below. The block of…

A: here block will slide in friction less surface then its like a free fall then velocity  of block…

Q: 8. The great white shark can have a mass as great as 3100 kg. Suppose such a shark is cruising the…

A: Mass of shark M = 3100 kg Speed of shark towards north (u) = 3.40 m/s Mass of prey fish m = 210 kg…

Q: 1. A bullet with mass 30 g travels horizontally at a speed of 500 m/s. It strikes a block of Jell-O…

A: Given: Mass of bullet = m = 30 gInitial speed of bullet = u = 500 m/sMass of Jell-o = M = 30…

Q: 7. A 0.210 kg softball is pitched to you at 34.0 m/s. You hit the ball back along the same path, and…

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Q: i) Two ice skaters are initially at rest on the ice, hands touching. the skater on the left has a…

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Q: A 2.1-kg softball is pitched to you at 20 m/s. You hit the ball back along the same path, and at the…

A: Here,m =  2.1 kgv  = 20 m/su  = 18 m/st   = 0.19 sec

Q: We commonly see Superman being shot and bullets bounce off of him.  Suppose Mr. Bad shoots Superman…

A: Given values: Mass of each bullets, m=4.00 kg Rate of bullets, r=100 bullets/min Time, t=5.00 s…

Q: 2. A0.200kg softball is pitched at 35m/s and leaves the bat at 55m/s straight towards second base.…

A: Given: Mass of ball, m=0.200 kg Initial velocity, vi=-35 m/s   (-ve sign indicates the direction of…

Q: 9. A tennis player returns a 30.0 m/s serve straight back at 25.0 m/s, after making contact with the…

A: Given data:  Initial velocity (Vi) = -30.0 m/s Final velocity (Vf) = 25.0 m/s Time interval (Δt) =…

Q: 4.. A toboggan having a mass of 10 kg starts from rest at A and carries a girl and boy having a mass…

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Q: Two identical trucks have mass 5500 kg when empty, and the maximum permissible load for  each is…

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Q: 26) You have been called as a forensics expert witness in a trial regarding an auto accident. The…

A: Step 1:The plaintiff was travelling eastwards with an initial velocity of 13 m/s, in a car of mass…

Q: A 63-kg canoeist stands in the middle of her 22-kg canoe.The canoe is 3.0 m long, and the end that…

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Q: 11. A 0.25-kg ball, initially at rest on a tee, is hit with a bat in the x-direction while 1.00…

A: Given data *The mass of the ball is m = 0.25 kg *The given height is h = 1.00 m *The initial speed…

Q: A baseball with a mass of 147 g is thrown horizontally with a speed of 41.1 m/s (92 mi/h) at a bat.…

A: mass, m  = 147 g  initial velocity, u = 41.1 m/s (direction of the incoming ball to be positive)…

Q: A 2575 kg van runs into the back of an 925 kg compact car at rest. Immediately afterward the two…

A: From conservation of momentum, Initial momentum = Final momentum Also, force = ∆p/t Where, ∆p is…

Q: A 0.21 kg ball travelling due west at 35 m/s was hit by a bat and as a result the ball travelled due…

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Q: 3) A golf club exerts an average horizontal force of 1000 N on a 0.045-kg golf ball that is…

A: