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klio [65]
3 years ago
6

A car is going 60.0 mi/h and has to stop in 6.0 seconds. What is the car’s acceleration?

Physics
2 answers:
diamong [38]3 years ago
8 0

Explanation:

Convert mi/h to ft/s.

60.0 mi/h × (5280 ft/mi) × (1 h / 3600 s) = 88.0 ft/s

Find the acceleration.

a = Δv / Δt

a = (0 ft/s − 88.0 ft/s) / 6.0 s

a = -14.7 ft/s²

Zina [86]3 years ago
8 0

The driver must accelerate the car at the average rate of

- 10 mile / hour-second

for 6 seconds .

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