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The displacement of a body is given by s=1/2gt^2, where g is acceleration due to gravity. The velocity of the body at any time t is answer - gt^3/6plz help me out with this question
Most Upvoted Answer
The displacement of a body is given by s=1/2gt^2, where g is accelerat...
Explanation of the given problem

The given problem provides the displacement of a body as s=1/2gt^2, where g is the acceleration due to gravity. We need to find the velocity of the body at any time t.

Derivation of the formula for velocity

In order to find the velocity of the body, we need to differentiate the displacement equation with respect to time.

s = 1/2 gt^2

Differentiating w.r.t. time (t), we get

v = ds/dt = g*t

Therefore, the velocity of the body at any time t is given by v = gt.

Alternative derivation of the formula for velocity

Another way to derive the formula for velocity is by using the formula for displacement and the formula for acceleration.

s = ut + 1/2 at^2

where u is the initial velocity of the body and a is the acceleration.

Since the body is under the influence of gravity, the acceleration is equal to the acceleration due to gravity, i.e. a = g.

Substituting the value of a in the displacement formula, we get

s = ut + 1/2 gt^2

Differentiating w.r.t. time (t), we get

v = ds/dt = u + gt

Since the initial velocity of the body is zero (u = 0), we get

v = gt

Conclusion

Therefore, the velocity of the body at any time t is given by v = gt, which can be derived by differentiating the displacement equation with respect to time or by using the formula for displacement and acceleration.
Community Answer
The displacement of a body is given by s=1/2gt^2, where g is accelerat...
the ans shud be v=gt (u get this by differentiating s w.r.t t)the ans u r telling can be achieved through integration but as we know velocity is 1st derivative of displacement so ans is 'gt'
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