In how much time an object having mass of $100 k g$ will speed up from $5 m / s$ to $25 m / s$ , if $500 N$ force will be applied over it?

280 s

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

4 s

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

2 m i n

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

1 h r

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

Open in App

Solution

The correct option is D $4 s$
Given : $m = 100$ kg $u = 5$ m/s $v = 25$ m/s $F = 500$ $N$
$∴$ Acceleration of the object $a = \frac{F}{m} = \frac{500}{100} = 5$ $m / s^{2}$
Using $v = u + a t$
$∴$ $25 = 5 + 5 t$ $⟹ t = 4$ $s$

Suggest Corrections

Similar questions

1200 k g

5 m / s

15 m / s

10

1000 N

500 k g

2 m / s

10 m / s

10 k g

5 m

s^{- 2}

500 N

220 N

5 m s^{- 1}

25 m s^{- 1}

Join BYJU'S Learning Program