2 years ago

Why do airplanes look like they are going slower when they are higher in the sky?

1 answer:

8 0

Our brains judge the speed of objects passing by us through the time taken for them to cross our field of view. Those taking a long time could either be nearby and travelling slowly or faster and further away. And in the case of planes, our brains know that the second interpretation is the right one.

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Illusion [34]

Answer:

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2 years ago

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aleksandrvk [35]

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2 years ago

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soldier1979 [14.2K]

Let the amount B pays be £x
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2 years ago

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MAXImum [283]

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3 years ago

For which positive integer values of $k$ does $kx^2+20x+k=0$ have rational solutions? Express your answers separated by commas a

Musya8 [376]

Answer:

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Step-by-step explanation: