Question

At time t=3s, a body has a velocity of 5 m/s in the positive x direction and it moves with a
uniform acceleration of 5 m/s2 also in the same direction. Find the instantaneous velocity of
the body at the 6th second?

Answer 1

Answer:

1. $i15.25515 < 833 + 4$

Answer 2

Answer:

The instantaneous velocity of the body at the sixth second is 20 m/s.

Step-by-step explanation:

In a uniformly accelerated motion, the final velocity v after t seconds is given by

v = u + a t

where u is the initial velocity, and a is the acceleration.

Here,

u = 5 m/s

a = 5 $m/s^2$

t = 6-3 = 3 s

∴v = u + at

      = 5 + 5×3

      = 5 + 15

v = 20 m/s

i.e. The instantaneous velocity of the body at the sixth second is 20 m/s.

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