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amid [387]
3 years ago
11

Given a constant acceleration and assuming linear motion, derive equations for velocity and position of a body with respect to t

ime. Explain what the integration constant represents.
Physics
1 answer:
uysha [10]3 years ago
8 0

Answer:

v = at + u

x = ut+\frac{1}{2}at^{2}+x_{0}

Explanation:

acceleration, a = constant

As we know that acceleration is the rate of change of velocity

a=\frac{dv}{dt}

dv=adt

integrate on both sides

\int dv=\int adt

v = at + u

Where, u is the integrating constant and here it is equal to the initial velocity

Now we know that the rate of change of displacement is called velocity

v = \frac{dx}{dt}

dx=vdt=(u+at) dt

Integrate on both sides

\int dx=\int (u+at) dt

x = ut+\frac{1}{2}at^{2}+x_{0}

where, xo is the integrating constant which is initial position of the particle.

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