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A high speed photograph of club hitting a golf ball is shown in the figure below. The club was in contact with a ball,intially at rest, for about 0.0012 s. if the ball has mass of 55 g and leaves the head of the club with speed of 2.3*10^2 ft/s, find the average force exerted on the ball by the club.
A student is reading a lecture written on a blackboard. If the writing on the blackboard is 4.84 cm high, what is the height of the image on her retina
The center of a 1.40km diameter spherical pocket of oil is 1.5 km beneath the Earth's surface.Estimate by what percentage directly above the pocket of oil would differ from expected value of g for a uniform Earth? Assume the density of oil is 8.0 ..
what is the coefficient of kinetic friction between the box and the tabletop.
an object is shown next to a lens of focal length 50cm. Given that the image is also shown on the right side of the lens, determine the image location
One fragment, whose speed immediately after the explosion is zero, falls vertically. Illustrate what is the horizontal speed of the other fragment?
A golf ball is hit at ground level. The ball is observed to reach its maximum height above ground level 3.8 s after being hit, How high is the fence
Describe Erikson, Levinson, cognitive developmental theorists, Kohlberg, behavioral theorists, Bronfenbrenner, Holland, the eclectic theory, and composite theory.
A proton is initially at rest at a point where the potential is 515V. Sometime later the proton is at a point where the potential is 190V. If no force other than the electrostatic force acts on the proton, what is its final kinetic energy.
The filament in an incandescent light bulb is made from tungsten. The light bulb is plugged into a 120 V outlet, determine how long must the wire be
A runner covers one lap of a circular track 40.0m in diameter in 63.5s a) average speed for that lap? b) average velocity for that lap? c) If she covered the first half-lap in 28.6s , what was her average speed for that half-lap?
Assume that the speed of light in a vacuum has the hypothetical value of 7.88m/s. What is the distance covered, according to the catcher who is standing at home plate
A bird watcher meanders through the woods, walking 0.506 km due east, 0.736 km due south, Determine the magnitude (in kilometers) of the bird watcher's displacement
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