Q1)Serving at a speed of 171 km/h, a tennis player hits the ball at a height of 2.51 m and an angle θ below the horizontal. The player serves at a distance of 12.0 m from the net, which is 0.91 m high. A. What is the angle θ such that the ball just crosses the net? B. The out line of the service box is 6.40 m from the net. How far does the ball land from the out line of the service box? (If the ball lands outside the out line, enter your answer as a positive number. If inside, enter as a negative number.)

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A: The x component of velocity, vx=23.7cos52.50 =14.43 m/s The y component of velocity, vy=23.7sin52.50…

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Q: A place-kicker must kick a football from a point 36.0 m (about 40 yards) from the goal. Half the…

A: The given values are,

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A: Height=3.05m

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A: Ans:- Image-1

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A: (a)

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A:

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A: The above question is an example of projectile motion.

Q: Answer part D).

A:

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