A car travels on a straight level roada starting from rest, Ask an Expert

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A car travels on a straight, level road.

(a) Starting from rest, the car is going 44 ft/s (30 mi/h) at the end of 5.0 s. What is the car's average acceleration in ft/s²?

(b) In 4.0 more seconds, the car is going 88 ft/s (60 mi/h). What is the car's average acceleration for this time period?

(d) What is the overall average acceleration for the total time? (Note these convenient British unit conversions: 60 mi/h 88 ft/s, 45 mi/h 66 ft/s, and 30 mi/h 44 ft/s.)

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Category:- Chemistry
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