need help for these homeworks. Thank you! 16. .Predict/Calculate Pitcher\'s Moun

Question

need help for these homeworks. Thank you!

16. .Predict/Calculate Pitcher's Mounds Pitcher's mounds are raised to compensate for the vertical drop of the ball as it travels a hori- Ori zontally with an initial speed of 32 m/s, how far does it drop by the time it reaches the catcher? (b) If the speed of the pitch is increased, does the drop distance increase, decrease, or stay the same? Explain. (c) If this baseball game were to be played on the Moon, would the drop distance increase, decrease, or stay the same? Explain.

Explanation / Answer

(a) Time taken to cover a distance of 18 m, t = 18/32 = 0.5625 s

So, the drop H of the baseball = (1/2)*g*t^2 = 0.5*9.81*0.5625^2 = 1.55 m

(b) Now if the speed of the pitch is increased, means v is increased.

So time t will be less.

So, from the above expression -

H will be less.

(c) If the baseball is played at moon, value of 'g' will be less.

So, the drop distance, H will be less.

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