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If a car is going 100 m/s and slows down to 60 m/s in 20 s, what is the rate of acceleration? Responses -2 m/s/s 5 m/s/s -3 m/s 40 m/s/s
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If a car is going 100 m/s and slows down to 60 m/s in 20 s, what is the rate of acceleration?

Responses

-2 m/s/s

5 m/s/s

-3 m/s

40 m/s/s

User J Livengood
by
9.1k points

1 Answer

0 votes
Acceleration = (Final velocity - initial Velocity) / time

Substitute the values for the formula I provided above.

Acceleration = (60-100)/20
Acceleration= (-40)/20

Acceleration= -2 m/s^2

User Riaz
by
7.4k points
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