Motion in a Straight Line Physics NEET | Smart Achievers

0

072920 77839
info@smartachievers.in

Topic Question Set

Q 1 :
A vehicle travels half the distance with speed $v$ and the remaining distance with speed $2 v$ . Its average speed is [2023]

$\frac{4 v}{3}$
$\frac{3 v}{4}$
$\frac{v}{3}$
$\frac{2 v}{3}$

1

2

3

4

(1)

Average speed = $\frac{Total distance}{Total time taken}$

$Average speed = \frac{2 v_{1} v_{2}}{v_{1} + v_{2}}$

$Average speed = \frac{2 \times v \times 2 v}{v + 2 v} = \frac{4 v^{2}}{3 v} = \frac{4}{3} v$

Want Us to Email you About Special Offers & Updates?