Relation 2t equal to root x + 5 describe the displacement of a particle in one direction where x is in metres and t seconds the displacement when velocity is zero is
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Explanation:
2t equal to root x + 5
2t = √ x + 5
x+5 = 4t²
x = 4t² - 5
v = 8t = 0 , t = 0
x = - 5 m.
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Given relation:-
Squaring on both sides,
Differentiating, it w.r.t time to get velocity,
Now,
As differentiating a constant gives a value of zero.
Now, the velocity is Zero.
Substituting,
Substituting in the given equation (1).
So, the displacement covered by the body when velocity is zero is - 5 meters.
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