You visited us 3 times! Enjoying our articles? Unlock Full Access!

Acceleration

The velocity ...

Question

The velocity of a car changes from $3 m / s$ to $21 m / s$ in $6$ seconds. What is the average acceleration of the car?

(16/3) m/s

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

(15/3) m/s

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

16 m/s

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

15 m/s

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

Open in App

Solution

The correct option is C
16 m/s

Given,

Intial velocity = $3 m / s$

Final velocity = $21 m / s$

Time taken = $6 s$

$A v e r a g e a c c e l e r a t i o n = \frac{C h a n g e i n v e l o c i t y}{T o t a l t i m e}$
$= \frac{21 - 3}{6} = 3 m / s^{2}$

Suggest Corrections

Similar questions

An object travels 16 m in 4 s and then another 16 m in 2 s. What is the average speed of the object?

t = 0

π {m/sec}^{2}

6 m

2 \sqrt{3} seconds

v (t) = t^{2} - 3 t m/s

6 sec

x = 2 t^{2} - 5 t + 6

x

m

(i)

3 s

(i i)

t = 3 s

5 m

2

Join BYJU'S Learning Program