4 divided by 527 step by step
1 answer:
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Answer:
1276.19553
Step-by-step explanation:
First, find height using Pythagoras thorem.
a=
a=15.61
Then use the formula to find the surface area of a cone.
π•12.5•(12.5+)=1276.19553
So, the pilot goes from 6,000 to 16,000 or distance up of 10,000 feet
the plane is going at a speed of 22,000 per minute, namely, dx/dt = 22,000
so. .if you look at the picture below... we can simply use tangent
keeping in mind that, as the plane moves up and up, the angle is "constant", is never changing, whilst "y" and "x" and even "r" are changing, but we're not using "r" in this case.... we know what dx/dt is, we know the angle is a constant, this matters because the derivative of a constant is just 0
so, we really just need to find dy/dt then, because whilst dx/dt is telling us how fast is moving horizontally, dy/dt is telling us how long it took to cover those 10,000 feet
thus
once you find what dy/dt is... you can simply do a quick conversion for the 10,000 feet, to see how many minutes it took
the plane is going at a speed of 22,000 per minute, namely, dx/dt = 22,000
so. .if you look at the picture below... we can simply use tangent
keeping in mind that, as the plane moves up and up, the angle is "constant", is never changing, whilst "y" and "x" and even "r" are changing, but we're not using "r" in this case.... we know what dx/dt is, we know the angle is a constant, this matters because the derivative of a constant is just 0
so, we really just need to find dy/dt then, because whilst dx/dt is telling us how fast is moving horizontally, dy/dt is telling us how long it took to cover those 10,000 feet
thus
once you find what dy/dt is... you can simply do a quick conversion for the 10,000 feet, to see how many minutes it took