Serving at a speed of 170 km/h, a tennis player hits the ball at a height of
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Question:
Serving at a speed of 170 km/h, a tennis player hits the ball at a height of 2.5 m and an angle below the horizontal. The service line is 11.9 m from the net, which is 0.91 m high. Find the angle, in degrees, at which the ball just crosses the net. At what distance, in meters, from the service line does the ball land?
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