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An airplane is flying at 165.1mi/h (its speed in still air) in a direction such that with a wind of 64.4mi/h blowing from east to west, the airplane travels in a straight line southward.
a) What must be the plane's heading (direction) for it to fly directly south?
b) If the plane has to go 291mi in the southward direction, how long does it take?
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A major-league catcher gloves a 93 mi/h pitch and brings it to rest in 0.14m. If the force exerted by catcher is 803 N, what is the mass of the ball.
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