Concept explainers
The time for which a rocket should be fired to have the speed change of
Answer to Problem 56A
Explanation of Solution
Given:
The mass of the spacecraft,
Thrust on the spacecraft by the rocket,
Speed change of the spacecraft,
Formula used:
Momentum of an object of mass m and moving with velocity v is given by,
Impulse on an object is equal to the change in momentum of an object,
Where
Calculation:
Using all the given values in the formula mentioned above, the time for which a rocket should be fired, or the time for which the force should be applied by the rocket on the spacecraft, will be,
Conclusion:
Thus, the time for which a rocket should be fired is
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