A car moving with initial velocity of $15 m s^{- 1}$ accelerates at the rate of $4 m s^{- 2}$ . What is the final velocity of the car after $10 s$ ?

65 m s^{- 1}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

40 m s^{- 1}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

55 m s^{- 1}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

70 m s^{- 1}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $55 m s^{- 1}$
Given:
Initial velocity, $u = 15 m s^{- 1}$
Acceleration, $a = 4 m s^{- 2}$
Time taken, $t = 10 s$

Let the final velocity be v.

Using the first equation of motion,
$v = u + a t$
$v = 15 + (4 \times 10) = 55 m s^{- 1}$

Suggest Corrections

Similar questions

15 m s^{- 1}

4 m s^{- 2}

10 s

A body has an initial velocity 5 $m s^{- 1}$ . It is accelerating at 2 $m s^{- 2}$ . It's velocity after 10 second is

10 m s^{- 1}

^{- 1}

^{- 2}

A body has an initial velocity of $4 m s^{- 1}$ and deceleration of $4 m s^{- 2}$ , then what is its final velocity after travelling 2 m?

Join BYJU'S Learning Program