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A tennis player swings her 1000 g racket with a speed of 8.00m/s . She hits a 60 g tennis ball that was approaching her at a speed of 13.0m/s. The ball rebounds at 39.0m/s.
How fast is her racket moving immediately after the impact? You can ignore the interaction of the racket with her hand for the brief duration of the collision?
If the tennis ball and racket are in contact for 14.0ms , what is the average force that the racket exerts on the ball?
If the induced voltage is 0.5 V, as B field is decreasing at a rate of 0.5 T/s in a loop. Calculate the area of the loop
The beam emerging from a ruby laser (wavelength 694.3 nm) passes through a circular aperture 2.4 mm in diameter. what is the angular spread of the beam
What is the strength of the electric field.
You are studying standing sound waves in an organ pipe of length L with both ends open, What is the frequency of the musical tone produced by the organ pipe in the situation described in part b
A satellite 8.3x107 km above the surface of a celestial body, whose radius is 39,000 km and whose mass is 6.0x1027 kg, Which clock will be running faster
The resistance of each brake light on an automobile is 6.6 ohms. compute the current flow in each bulb
A 50.0 kg child stands at the rim of a merry-go-round of radius 2.10 m, rotating with an angular speed of 2.90 rad/s. What is the child's centripetal acceleration
q1. in the 1950s an experimental train that had a mass of 2.30 x 104 kg was powered across a level track by a jet
Large conventional electromagnets use water cooling to prevent excessive heating of the magnetic coils. ow many liters of water must circulate by the coils each second if the temperature of the coils is not to exceed 50 degree C
A 1.50- ?C charge is placed at the center of a cube of sides 3.10 cm. Determine the electric flux through each of the sides
find the minimum thickness for constructive interference of visible light with a wavelength of 595 nm.
W hat is lumberjacks speed relative to the shore
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