Question

A body is moving with a velocity of 10 m/s. If the motion is uniform, what

will be the velocity after 10 s?​

Answer 1

Answer:

The velocity after 10 seconds will be 10m/s. Explanation: As the motion is uniform, its acceleration will be 0m/s2. So, the final velocity will be 10 m/s.

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Answer 2

Given :-

Acceleration of the body = 0 m/s

Final velocity = Initial velocity

To Find :-

The velocity of the body after 10 sec.

Analysis :-

Here we are given with the acceleration, initial velocity, time taken.

In order to find the final velocity substitute the given values accordingly using the first equation of motion.

Solution :-

We know that,

• v = Final velocity
• t = Time
• a = Acceleration
• u = Initial velocity

Using the formula,

$\underline{\boxed{\sf First \ equation \ of \ motion=v=u+at}}$

According to the question,

Since the motion is uniform, there is no change in velocity, the acceleration and velocity is zero.

Given that,

Initial velocity (u) = 10 m/s

Acceleration (a) = 0 m/s

Time (t) = 10 sec

Substituting their values,

⇒ v = 10 + 0 × 10

⇒ v = 10 + 0

⇒ v = 10 m/s

Therefore, the velocity after 10 sec is 10 m/s.