Question

A car starts from rest and moves with a uniform acceleration of 0.1 m/s^2 for 120 seconds calculate the final velocity of the car

Answer 1

Answer:

12 m/s

Explanation:

As per the provided information in the given question, we have :

• Initial velocity (u) = 0 m/s
• Acceleration (a) = 0.1 m/s²
• Time taken (t) = 120 seconds

We are asked to calculate its velocity at the end i.e, its final velocity.

By using the first equation of motion,

⇒ v = u + at

• v denotes final velocity
• u denotes initial velocity
• a denotes acceleration
• t denotes time

⇒v = 0 + 0.1(120)

⇒v = 0 + 12

⇒v = 12 m/s

∴ Final velocity of the car is 12 m/s.

Learn more!

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• $\begin{gathered}\qquad \sf \: ( I )\: v = u + at\:\\\\\end{gathered}$

• $\begin{gathered}\qquad \sf \: ( II ) \: s = ut + \dfrac{1}{2}at^2\:\:\:\\\\\end{gathered}$

• $\begin{gathered}\qquad \sf \: ( III ) \:\:v^2- u^2 = 2as \:\\\\\end{gathered}$

• $\begin{gathered}\qquad \sf \: ( IV ) \:\:\:s = \dfrac{1}{2}(u + v) t \:\\\\\end{gathered}$