Estimate magnitude of the force exerted by the club on ball
In a typical golf swing, the club is in contact with the ball for about0.0010 second. If the ball acquires a speed of 67 m/s, estimate the magnitude of the force exerted by the club on the ball.
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A dentist uses a small mirror of radius 54 mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 16 mm from the tooth, what is the magnification of the resulting image?
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