Question

A train increases its speed from 18km/hr to 30km/hr in 5 second.Find th accertion of two trains.​

Answer 1

Answer:

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Answer 2

Explanation:

in the given question we have

u=36 km/hr =36×

18

5

m/s=10m/s

v= 72 km/hr=72×

18

5

m/s=20m/s

t=10 s

a=?

we know the formula

v= u +at

20 = 10+ a 10

20-10 =10 a

10 = 10 a

a = 1 m/s

2