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Answered

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If the velocity of a car changes from 20 meters per second (m/s) to 60 m/s in 4
seconds, what is the acceleration over that 4 second period?
m/s2

Sagot :

aayu0302

Answer:

10 m/s^2

Explanation:

Let,

u-> initial velocity = 20m/s

v-> final velocity = 60m/s

t-> time = 4s

a-> acceleration

u = 20m/s

v = 60m/s

t = 4s

Using Velocity - Time relation,

v = u + at

=> v - u = at

=> (v - u)/t = a

=> a = (v-u)/t

=> a = (60-20)/4

=> a = 40/4

=> a = 10 m/s^2

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