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Social ScienceE https://webwork.latech.edu/webwork2/Winter201819-MathHnrs241-Tiwari/stewart8e_ch03s09/4/9.8386991009990722. 45902 + 45At least one of the answers above is NOT correct.1 of the questions remains unanswered(1 point) A baseball diamond is a square with sides of length 90 ft. A batter hits the ball and runs toward first base with aspeed of 22 ft/s.At what rate is his distance from second base changing when he is halfway to first base?Answer22 45/sqrt(902 452) ftsAt what rate is his distance from third base changing at the same moment?Answerft/sNote: You can earn partial credit on this problenm.Preview My Answers Submit AnswersYour score was recorded.You have attempted this problem6 times.ou received a score of 0% for this attempt.lad score is 0%.
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E https://webwork.latech.edu/webwork2/Winter201819-MathHnrs241-Tiwari/stewart8e_ch03s09/4/ 9.83869910099907 22. 45 902 + 45 At least one of the answers above is NOT correct. 1 of the questions remains unanswered (1 point) A baseball diamond is a square with sides of length 90 ft. A batter hits the ball and runs toward first base with a speed of 22 ft/s. At what rate is his distance from second base changing when he is halfway to first base? Answer22 45/sqrt(902 452) fts At what rate is his distance from third base changing at the same moment? Answer ft/s Note: You can earn partial credit on this problenm. Preview My Answers Submit Answers Your score was recorded. You have attempted this problem 6 tim es. ou received a score of 0% for this attempt. lad score is 0%.
Expert Answer
Here, objective is to find the
a ) At what rate the distance from second base changing when he is half way.
b) At what rate the distance from third base changing at the same moment.
Consider the baseball dimond shown in figure.
then from given data, we have
square with sides length=90ft
let runne'rs distance=x
dx/dt=-22ft/sec
distance from home plate=x
distance from first base=90-x
a) The runnerer is halfway means, x=45
...
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