Question

16. A particle starts from a point with a velocity of +6.0
m/s and moves with an acceleration of -20 m/s2.
Show that after 6 s the particle will be at the starting
point.
1.​

Answer 1

Answer:

Given,

t = 6 s

u = 6 m/s

a = -2 m/s2

now, since, s = ut + 1/2at2

therefore,

s = (6 * 6 ) + 1/2(-2 * 62 )

s = 36 + (-36)

s = 0

since, displacement = 0 . therefore the body is at it's initial position after 6 seconds.

Explanation:

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