Diwali rocket is ejecting $50$ g of gases/s at a velocity of $400$ m/s. The accelerating force on the rocket will be?

22

dynes

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

20

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

20

dynes

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

100

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

Open in App

Solution

The correct option is B $20$ N
$F =$ change in momentum

$F = \frac{M \times v_{f i n a l} - v_{i n i t i a l}}{t i m e}$ and hence it has to be

$F = 0.05 * 400 = 20 N$

Suggest Corrections

Similar questions

50

400

0.05 k g

400 m s^{- 1}

^{- 1}

A cracker rocket is ejecting gases at a rate of 0.05kg/s with a velocity 400 m/s. What will be the accelerating force on the rocket?

Join BYJU'S Learning Program