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a golf club strikes a 0.059 kg golf ball in order to launch it from the tee. For simplicity assume that the average net force applied to the ball acts parallel to the ball's motion, has a magnitude of 6200 N and is in contact with the ball for a distance of 0.0080 m. With what speed does the ball leave the club?
When you drop a rock into a well you hear the splash 1.0 seconds later. How deep is the well
During Charlie's golf drive, the angular velocity of his club is zero at the top of the backswing and 20 rad/s, What is the linear velocity of the club head just before impact with the ball
A 4 kg block is acted upon by three horizontal forces. 10n (to left) 5n(short arrow to right) 25n to right. what is the net horizontal force acting on the block? what is the horizontal acceleration of the block?
A 10-kg bullet is fired horizontally into a 300-g wooden block initially at res on a horizontal surface and become embedded in it. The coefficient of friction between block and surface is (0.50).
in a Tom's double-slit experiment using 549nm light, a thin piece of plexiglass of refractive index 1.53 covers one of the slits. what is the minimum thickness of the plexiglass
A child's top is held in place, upright on a frictionless surface. The axle has a radius of r= 2.21 mm. Two strings are wrapped around the axle, How much angular momentum does the top acquire
Illustrate what is the average emf that is induced in this coil if it is in a region where B=2.0 T upward, and the coil's plane is perpendicular to B?
A driver measures her "cold" tire gauge pressure to be 2.02 105 Pa. The measurement is made before driving, Find the final temperature of the air in the tires
Fifty grams (50g) of hot water at 90 degrees C are mixed with 70g of cold water at 20 degrees C. What is the final temperature of the mixture when it reaches equilibrium
A rifle is aimed horizontally at a target 30 m away. The bullet hits the target 2.10 cm below the aiming point. What is the bullet's time of flight
welding machine draws a 18A of current at 240V. When it is inadvertently connected to a 120V outlet, the current in it is 10A. Is the machine's resistance ohmic
A fireman, 25.6 m away from a burning building, directs a stream of water from a ground level fire hose at an angle of 39.5° above the horizontal
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