Home
Class 12
PHYSICS
A 5000 kg rocket is set for vertical fir...

A 5000 kg rocket is set for vertical firing. The exhaust speed is `800 ms^(-1)` . To give an initial upward acceleration of `20 ms^(-2)` ,the amount of gas ejected per second to supply the needed thrust will be (g = ` 10 ms^(-2)`

A

`127.5 kg s^(-1)`

B

`187.5 kg s^(-1)`

C

`185.5 kg s^(-1)`

D

`137.5 kg s^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A 5000 kg rocket is set of vertical firing. The exhaust speed is 800" "ms^(-1) . To give an initial upward acceleration of 20ms^(-2) , the amount of gas ejected per second to supply the needed thrust will be (take, g=10ms^(-2) )

A 500kg rocket is set for verticle firing. The exhaust speed is 800ms(-2) . To give an initial upward acceleration of 20ms(-2) , the amount of gas ejected per second to supply the needed thrust will be (g=10ms(-2)

A 5000 kg rocket is set for vertical firing. The exhaust speed is 800 m//s . To give an initial upward acceleration of 20 m//s^(2) , the amount of gas ejected per second to supply the needed thrust will be (Take g = 10 m//s^(2) )

A 5000 kg rocket is set for verticle firing the relative speed of burnt gas is 800ms^(-1) To give an initial upwards acceleration of 20ms^(-2) the amount of gas ejected per second to supply the needed thrust will be

A 500 kg rocket is set of vertical firing. The relative speed of burnt gas is 800ms^(-1) To give an initial upwards acceleration of 20ms^(-2) , the amount of gas ejected per second to supply the needed thrust will be

A 1000kg rocket is set for vertical firing. The exhaust speed is 500m//s .To give the rocket an initial upward acceleration of 30 m//s^(2) , the amount of gas ejected per second to supply the needed thrust is

A 7500 kg rocket is set for vertical firing. The exhaust speed is 800 m/s w.r.to rocket. To give an vertical upward acceleration of 10m//s^(2) , the amount of gas ejected per second for the needed thrust will be

A 2000 kg rocket is set for vertical firing the exhaust speed is 400 m/s to given an initial upward acceleration of 10m//s^(2) . Find out the amount of gas ejected per second to supply the needed thrust (g=10m//s^(2))