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julia-pushkina [17]
2 years ago
6

A car accelerates from rest to 25 miles per hour in 3.0 seconds. What was the car's

Mathematics
1 answer:
Helga [31]2 years ago
3 0

Answer:

The car's acceleration was 3.73 metre per second square = 3.73m/s²

Step-by-step explanation:

The car accelerated from rest.

initial velocity (u) = 0m/s

final velocity (v) = 25miles/hr = 11.2m/s

time (t) = 3s

a = ?

v = u+at

a = (v-u)/t

a = (11.2 - 0) / 3

a = 11.2/3

a = 3.73

a = 3.73m/s²

a

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2). Area scale factor = \frac{(r_1)^2}{(r_2)^2}

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