A jet plane requires 400 kg of fuel in 30 minutes. How much fuel
would be used for a two hours flight?
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A jet plane requires 400 kg of fuel in 30 minutes. How much fuel
would be used for a two hours flight?
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Answer:
One of the interesting things about learning about thrust for a rocket, is that we can use the same types of formulas for airplanes. So, let’s take a few minutes and figure out how much fuel an airplane uses to travel from one place to another. We can also look at why airplanes fly at the altitudes that they do, and how the wind affects the fuel used.
How to actually do this? Well, we need two equations that we have talked about on different posts: (1) the equation for thrust; and (2) the equation for the drag force. When a plane is traveling between two places at a constant altitude, we can ignore the forces in the vertical direction, since the gravity of Earth is balanced by the lift from the wings. In the horizontal direction, the forces are also balanced (since we are traveling at a constant velocity), namely the thrust of the airplane is balanced by the drag force from the airplane moving through the air.
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Answer:
1600 kg
Step-by-step explanation:
Since, for 30 min = 400kg
So for 2 hrs
It needs 1600 kg of fuel
Hope it help you.........