A 57.0-g tennis ball is traveling straight at a player at 22.0 m/s. The player volleys the ball straight back at 25.0 m/s. If the ball remains in contact with the racket for 0.060 0 s, what average force acts on the ball? O 44.65 N O 20.9 N O 65,55 N O 23.75 N O 2.85 N

Q: 5. Calculate /* for a partly hollow ball with inner radius a and outer radius r. Express your answer…

A: As asked only 5 is solved here. 5. Hollow ball with inner radius a and outer radius r . The formula…

Q: 7. Draw FBD for the middle mass (m2). m3 m, m,

A: To draw the FBD of the given system of masses we must point out each and every force acting on the…

Q: #6 and #8

A: The temperature difference is

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Q: 8. By how much does the volume of an aluminum cube 5 cm on an edge increasc when the cube is heated…

A: Given data: Side length of cube, a=5 cm=0.05 m Temperature: Ti=100C; Tf=600C

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A: Given data: The heater power is P=500 W and It heats m=150 g=0.15 kg of water for a cup of tea. The…

Q: (a) How much energy is stored in a 10.2 mH inductor carrying a 1.15 A current?

A: Given inductance is 10.2 mH Current is 1.15A

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A:

Q: 3) How much energy does a 100-W light bulb use in 8.0 hours?

A: we use the concept of                                       1000W = 1 unit…

Q: W o = 5.67 x 10-8 m2 K Nglass = 1.5, 1.33, nwater Question 1 Light is incident on the surface of a…

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Q: 10/C"). What happens when the strip is heated? 6. A glass window has dimensions of 20 cm by 30 cm at…

A: Given data: Dimensions of glass window L1=20 cm. Dimensions of glass window L2=30 cm. Initial…

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Q: and Parallel Forces

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Q: 4) One end of s horizontal string of linear density 6.6 x 10 kg/m is attached to a small-amplitude…

A: linear mass density = 0.00066 kg/m l = 1.5 m f = 120 Hz

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A: Given data: Constant force (F) = 90.0 N Angle (θ) = 40° to the horizontal Horizontal displacement…

Q: 3. If a barbers chair weighs 1.34 kN, rests on a large piston with an area of 34.0 cm2 that connects…

A: The weight of the chair is 1.34 kN area of large piston A1 = 34.0cm2 area of the small piston is A2…

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A: Given: The electromotive force is E=12 V. The power requires is P=64.8 W. The resistance of the…

Q: 20. An 845-N sled is pulled a distance of 185 meters. The task requires 1.20 x 104 J of work and is…

A: Given data: The weight of sled is W=845 N. The distance traveled by the sled is d=185 m. The work…

Q: 1. A proton moving at 3.0 x 104 m/s is projected at an angle of 30° above a horizontal plane. If an…

A:

Q: 8. Find the x- and y-components for a displacement vector that is 23.8 km and 45.0° south of east.…

A: (8) The vector diagram is shown below.

Q: Using the letters, match each prefix with the multiplier it represents. V V V V x 10-6 x 106 x 10-3…

A: The given prefix are associated with multiplier as per their definition.

Q: A 7.25-g bullet is fired from a gun. The ullot is 223 m/n

A:

Q: 2. The illustration below shows a ball swinging freely in a plane. The mass of the ball is 4.0 kg.…

A: The question asked for maximum kineric energy but the options have the unit of speed hence…

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A: Given data: Sinking rate or velocity, v=33.2 cm/hr Distance need to be travelled by quick sand,…

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Q: (II) A ball is thrown horizontally from the roof of a build- ing 7.5 m tall and lands 9.5 m from the…

A: The vertical displacement is, y=uyt+12gt2    uy=0y=12gt2t=2yg=27.5 m9.80 m/s2=1.24 s

Q: (c) Integrate the acceleration of the charge, assuming that it starts from rest, and show that the…

A: