Question

How much velocity will a body gain in 5 seconds if it is moving with a uniform acceleration of 1m/s²​

Answer 1

Given : A body  is moving with a uniform acceleration of 1m/s²​

To Find : How much velocity will a body gain in 5 seconds

Solution:

Initial Velocity = u

velocity after 5 secs = v

acceleration = 1 m/s²

t = 5 secs

v = u + at

v = u + (1)(5)

=> v = u + 5

=> v - u = 5

Velocity gain = v - u = 5 m/s

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Answer 2

Given:

A body moves with uniform acceleration of 1 m/s².

To find:

Velocity gain in 5 seconds?

Calculation:

Since acceleration is mentioned to be constant, we can easily apply the standard Equations of Kinematics:

Applying 1st Equation of kinematics:

$\rm \: v = u + at$

$\rm \implies \: v - u = at$

$\rm \implies \: \Delta v= at$

$\rm \implies \: \Delta v= 1 \times 5$

$\rm \implies \: \Delta v= 5 \: m/ {s}^{2}$

So, velocity gain (i.e. ∆v) is 5 m/s².