Question

(97.) An auto traveling along a straight road increases its speed
from 30.0 ms to 50.0 ms in a distance of 180 m. If the
acceleration is constant, how much time elapses while the auto
moves this distance?
(a) 6.0s (7 4.55 (c) 3.6s (d) 7.05​

Answer 1

Answer:

According to equation of motion

s = (u+v/2) ×t

u = 30

v = 50

s = 180

t = 4.5sec

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