Roger Federer Is About To Do His Smooth Classical And Effortless Serve To Rafael Nadal In Australian Open Final The Ba 1 (110.28 KiB) Viewed 52 times
Roger Federer is about to do his smooth, classical and effortless serve to Rafael Nadal in Australian open final. The ball is shot horizontally from a height of 3.0 m above the ground level of a tennis court, and 6.3 m from the net. The net is of height 0.9 m. Assume the ball only travels along the centreline of the court. The situation is shown in the Figure below. A B T 0.9 m F:\Backup\Teaching\ENG1014\Labs Final\Lab 1\Updated_Image.png C -+ 6.3 m Determine the horizontal velocity Va of the ball at point A so that it clears the net without touching it at point B. Also calculate the distance s where the ball strikes the ground. Note: Show your workings for each part of the question. Provide your answer to 2 decimal places.
3.1) If the initial height is 2.25m instead, what is the horizontal velocity of the ball at point A? A. 12 B. 12.01 C. 12.0091 D. 1.83 E. 1.8338 3.2) If the initial height is 2.25m instead, what is the distance s where the ball strikes the ground? A. 12 B. 12.01 C. 12.0091 D. 1.83 E. 1.8338
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