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Irina18 [472]
3 years ago
14

If a car goes from 60 miles per hour to 10 miles per hour in 5 seconds, find its acceleration. Enter your answer as a whole numb

er. Do not label with units of measurement. For example "12." If the answer is a negative number, then you would enter "-12." No spaces between the negative sign and the number. *
Mathematics
1 answer:
denis-greek [22]3 years ago
8 0

Answer:

a=-4.47\ m/s^2

Step-by-step explanation:

Given that,

Initial speed of a car, u = 60 mph = 26.82 m/s

Final speed of a car, v = 10 mph = 4.47 m/s

Time, t = 5 s

We need to find the acceleration of the car. The rate of change of velocity is called the acceleration of an object. It can be given by :

a=\dfrac{v-u}{t}\\\\a=\dfrac{4.47 -26.82 }{5}\\\\a=-4.47\ m/s^2

So, the acceleration of the car is 4.47\ m/s^2 and it is deaccelerating.

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