A rocket of mass 120kg is moving vertically up at 600ms−1 such that gas is escaping at the rate of 1kg per second. Find out acceleration of the rocket.
2ms−2
5ms−2
6ms−2
10ms−2
A
6ms−2
B
2ms−2
C
5ms−2
D
10ms−2
Open in App
Solution
Verified by Toppr
Was this answer helpful?
0
Similar Questions
Q1
A rocket of mass 120kg is fired in a gravity free space is ejecting gases with velocity 600m/s at the rate of 1kg/s. What will be the initial acceleration of the rocket?
View Solution
Q2
A 5000kg rocket is set for vertical firing. The exhaust speed is 800ms−1. To give an upward acceleration of 20ms−2, the amount of gas ejected per second to supply the needed thrust is (g=10ms−2)
View Solution
Q3
At a certain instant of time the mass of a rocket going up vertically is 100kg. If it is ejecting 5kg of gas per second at a speed of 400m/s , the acceleration (in m/s2) of the rocket would be (taking g=10m/s2)
View Solution
Q4
A rocket which is ejecting gas with a speed of 100 m/s and the rate of ejection of the gas from the rocket is 800 kg/s. If the mass of the rocket is 4000 kg, find out the initial acceleration of the rocket. Take (g=10 m/s2)
View Solution
Q5
A rocket is fired vertically from the ground. It moves upwards with a constant acceleration of 10ms−2. After 30 seconds the fuel is finished. After what time from the instant of firing the rocket will it attain the maximum height? g=10ms−2: