Question

A motorcycle acquires a velocity of 40 km/hr in 20 seconds just after the start . Calculate its acceleration.
5 m/s2
5.5 m/s2
0.55 m/s2
50 m/s2 ​

Answer 1

GIVEN ⤵️

v=36 km/hr

v=36×5/18=10 m/s

u=0

t=10 sec

v=u+at

10=0+a(10)

10=10a

a=1 m/s²

Answer 2

Answer:

Acceleration = 0.55 m/s²

Step-by-step explanation:

here, convert 40 km/hr to m/s

so, it is 40 * 5/18 = 200/18 m/s

now, a = v-u/t

           = 200/18 - 0/20

           = 10/18 m/s² or 0.55 m/s²

∴ Acceleration = 0.55 m/s².

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