Question

a bus incruse it speed 80m\s to 100m\s in 5sec find the acceleration also find postive and negative

Answer 1

V = 100M/Sec
U = 80M/Sec
T = 5Sec
A = ?
According to First Formula of Motion.

V = U + AT
100 = 80 + A × 5
100-80 = 5A
20 =5A
A = 20/5
A = 4M/Sec² Ans

Acceleration will be in Positive.

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