Question

(a) write the formula for acceleration.give the meaning of each symbol which occurs in it.
(b) A train Starting from railway station attains a speed of 21m/s in one minute. Find its acceleration. ​

Answer 1

Explanation:

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Answer 2

Explanation:

(a). Formula for acceleration is

a=v-u/t

Here,

"a" means acceleration

"v" means final velocity

"u" means initial velocity

"t" means time taken

(b). Given,

u=0 m/s

v=21 m/s

t=1 min

=60 sec

acceleration =v-u/t

=21 - 0/60

=0.35 m/s^2

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