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A high-speed photograph of a club hitting a golf ball is shown in the figure below. The club was in contact with a ball, initially at rest, for about 0.0014 s. If the ball has a mass of 55 g and leaves the head of the club with a speed of 1.4 102 ft/s, find the average force exerted on the ball by the club.
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To pump out a subway, a pump is used that can increase the absolute pressureon the pool of water at the bottom of yhe subway to 400 kpa. what is the flow velocity at street level
An astronaut accidentally gets separated out of his small spaceship accelerating in inter stellar space at a constant rate of 100 m s-2. What is the acceleration of the astronaut the instant after he is outside the spaceship ? (Assume that there a..
13 cars in a circle at a boom box competition produce a 110 dB sound level at the center of the circle. What is the average sound level produced there by each
Scientists in a laboratory produce a sound wave in a simulated environment (air) with a velocity of 476 m/s
If a material increases its length from 130 m to 132.60 m when its temperature is rasied 155 degrees C, what is its coefficient of linear expansion
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Biologically usefull technetium nucleuii (at wt 99) have half life of 6 hours. A solution containing 10^-12 gram of this is injected into the bladder of a patient.
a steel cylinder of mass 0.325 kg is tied to a string and allowed to revolve in a circle of radius 1.15 m on a
A string of length L vibrates at its fundamental frequency. What is the amplitude of each of the traveling waves that form this standing wave
A truck can move up a road having a grade of 1.0-ft rise every 50-ft with a speed of 15 mi/h. how fast will the same truck move down the hill
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