Question

distance travel by a body is given by x=5t²+3t+4,find speed and accl at time 4sec
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Answer 1

Answer:

11th

Physics

Motion in a Straight Line

Acceleration

Displacement of a body is g...

PHYSICS

Displacement of a body is given by x=5+3t+2t

2

. The value instantaneous acceleration is:

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ANSWER

Given displacement x=5+3t+2t

2

Differentiating the above equation with respect to time t we get velocity of the body

v=

dt

dx

=3+4t

Now again differentiating the velocity with respect to time we get acceleration

a=

dt

dv

=4