Suppose we have a rocket in outer space.The rocket consists of a payload of 5280.0 kg and 121000 kg of fuel.Assume that the rocket starts from rest,accelerates to its final velocity.After reaching this final velocity it begins its 3.82 * 10⁵ km trip to the moon.The speed at which the rocket expels propellant is 4.22 km/s.If the rocket is to make the trip from the Earth to the Moon,a distance of 3.82 * 10⁵ km,how long will the trip take to complete ? A)15 hours B)6.7 hours C)23 hours D)7.5 hours E)7.9 hours

Question

Quizplus · Accepted Answer

To find the duration of the trip, we first need to calculate the final velocity of the rocket using the rocket equation, and then use that velocity to find the time it takes to cover the distance to the moon. However, the question does not provide enough specific information to directly calculate the final velocity using the Tsiolkovsky rocket equation (which would require the mass of the rocket, the mass of the fuel, the velocity of the expelled propellant, and the final mass). Without the ability to calculate the final velocity directly from the given information, and without a clear indication of the rocket's final velocity after acceleration, we cannot accurately determine the time it will take based on the information provided. Therefore, the correct answer cannot be determined from the given data and calculations. The choice provided seems to be an attempt to select an answer without the necessary calculation or information.

Suppose We Have a Rocket in Outer Space