Acar traveling at 54 mph decelerates at 29 feet per second per second. how long does it take for the car to come to a complete stop

We first need to convert the 54 mph to feet per second. So converting this will give us the value of 79.2 ft per second.

Solution:

v = at 
d = 1/2 at^2 

79.2 = 29t

Dividing both sides by 29, will gives us the result of 2.73. 
meaning it takes 2.73 seconds to stop) 
d = 1/2 (29) 2.73^2 = 29.81 feet to stop.

true is the correct answer

hope i

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