Question

A particle moves in a straight line with a constant
acceleration. It changes its velocity from 10 ms-1
to 20 ms-1 while passing through a distance
135 m in t second. The value of t is
​

Answer 1

Explanation:

u=10m/s,v=20m/s,x=130m

a=

t

v−u

=

t

20−10

=

t

10

s=ut+

2

1

at

2

⟹135=10t+

2

1

t

10

t

2

⟹t=9s

Answer 2

Answer:

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Explanation:

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