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A car is moving at 40 mi/h along a straight line when the driver sees a light turn red. She hits the brakes when she is 100 ft from the light and decelerates at the rate of 16 ft per second squared. How far does she travel before stopping? Choose the whole number that is closest to the correct answer.
Hint: First convert 40 mi/hr into ft/sec.
Hint: See the Equations of Motion
12 years ago

Answers

bobpursley
do the first hint.
Vf^2=vi^2 + 2 ad solve for a.
12 years ago
Anonymous
25
11 years ago

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