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 θ below the horizontal. The service line is 11.9 m from the net, which is 0.91 m high.
Part (a) Find the angle θ, in degrees, at which the ball just crosses the net.
θ =
Part (b) At what distance, in meters, from the service line does the ball land?
R =
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