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a golf ball of mass 0.050 kg is at rest on the tee and has a velocity of 102 m/s immediately after being struckif the club and ball were in contact for 0.74 ms, what is the average force exerted on the ball?
A 70.5kg football player is gliding across very smooth ice at 1.75 m/s. What is the player's speed afterward if the ball is thrown at 12.5m/s relative to the player
Joe pushes down the length of the handle of a 12.6 kg lawn spreader. What force must Joe apply to the handle
While riding her bicycle on a 140 meter track, a rider took 18 seconds on her first lap and 17 seconds on her second
When you submerge a 1 kg gold statue into the water and measure the volume of displaced water, show that, for pure gold, the volume of water displaced will be 51.8 cm^3.
What is the magnitude of the force applied throughout this time? What is the direction of the force applied throughout this time?
A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that rotates about an axis perpendicular to one end of the string. What is the length of the rotating string in meters
An astronaut is rotated in a horizontal centrifuge at a radius of 7.5 m. (a) What is the astronaut's speed if the centripetal acceleration has a magnitude of 5.4g? (b) How many revolutions per minute are required to produce this acceleration.
The sinusoidal wave is traveling in the positive x-direction and has a frequency of 21.4 Hz. The wavelength is 10.4 cm, the amplitude is 4.13 cm, and the period is 0.047 seconds. What is the wave's speed?
A certain source of sound radiates uniformly in all directions in air. At a distance of 5m the sound level is 80 dB. The frequency is 440 Hz. What is the displacement amplitude at this distance
A typical color television draws about 2.9 A when connected to a 150 V source. What is the efiective resistance of the T.V. set
An electron is in the fifth Bohr orbit of hydrogen. Calculate the time required for the electron to circle the nucleus
When the three blocks in the figure below are released from rest, they accelerate with a magnitude of 0.740 m/s2, What is the coefficient of kinetic friction between block 2 and the table
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