These two questions are very similar. However, when I was working through them and also looking at the textbook answers, question 32 includes V0 in the formula (x-x0)=V0t+1/2at^2. However, in questions 36 V0 is 0. If this is the case why isn't V0=0 in question 32. I'm referring to part A in both questions. I am confused! please help! During a tennis match, a player serves the ball at 25.9 m/s, with the center of the ball leaving the racquet horizontally 2.46 m above the court surface. The net is 12.0 m away and 0.900 m high.When the ball reaches the net, (a) what is the distance between the center of the ball and the top of the net? (b) Suppose that, instead, the ball is served as before but now it leaves the racquet at5.00° below the horizontal. When the ball reaches the net, what now is the distance between the center of the ball and the top of the net? Enter a positive number if the ball clears the net. If the balldoes not clear the net, your answer should be a negative number. Use g=9.81 m/s?. In the figure, you throw a ball toward a wall at speed 23.0 m/s and at angle en = 42.0° above the horizontal. The wall is distance d = 20.0 m from the release point of the ball. (a) How far abovethe release point does the ball hit the wall? What are the (b) horizontal and (c) vertical components of its velocity as it hits the wall?

Whenever you throw an object above the earth's surface, themotion of the object can be represented…

Answered: During a tennis match, a player serves…

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter4: Motion In Two And Three Dimensions

Section: Chapter Questions

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These two questions are very similar. However, when I was working through them and also looking at the textbook answers, question 32 includes V0 in the formula (x-x0)=V0t+1/2at^2. However, in questions 36 V0 is 0. If this is the case why isn't V0=0 in question 32. I'm referring to part A in both questions. I am confused! please help!

During a tennis match, a player serves the ball at 25.9 m/s, with the center of the ball leaving the racquet horizontally 2.46 m above the court surface. The net is 12.0 m away and 0.900 m high.
When the ball reaches the net, (a) what is the distance between the center of the ball and the top of the net? (b) Suppose that, instead, the ball is served as before but now it leaves the racquet at
5.00° below the horizontal. When the ball reaches the net, what now is the distance between the center of the ball and the top of the net? Enter a positive number if the ball clears the net. If the ball
does not clear the net, your answer should be a negative number. Use g=9.81 m/s?.

In the figure, you throw a ball toward a wall at speed 23.0 m/s and at angle en = 42.0° above the horizontal. The wall is distance d = 20.0 m from the release point of the ball. (a) How far above
the release point does the ball hit the wall? What are the (b) horizontal and (c) vertical components of its velocity as it hits the wall?

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