Question

If the speed of a car becomes 50km/h from 20km in 10s the acceleration of that car is

Answer 1

Answer:

acceleration = 3 km/s

Explanation:

We know,

v = u + at

where, v = final velocity

u = initial velocity

a = acceleration

t = time

so, given v = 50km/h

u = 20km/h

a = ?

t = 10s

since, 3 quantities are known we can calculate acceleration

v = u + at

50 = 20 + a × 10

30 = a × 10

a = 3km/s

Therefore, acceleration is 3km/s

hope you understand the answer and clear your concept

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Regards:

Aakash Maurya