3 years ago

ANSWER ASAP

2 answers:

8 0

The weight of the plane is (mass) x (acceleration of gravity).
Neither of these changes when the plane rises from the ground.
Its weight on the ground is equal to (the same as) its weight in the air.

Ira Lisetskai [31]3 years ago

5 0

Answer:

it stays the same at all times\\\\\\\

Explanation:

hope i helped

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Answer:

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Explanation:

The formula for the refractive index of from air to some other medium is given by the following formula:

$\eta = \frac{c}{v}\\$

where,

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Therefore, using these values in the equation we get:

$\eta = \frac{3\ x\ 10^8\ m/s}{2.29\ x\ 10^8\ m/s} \\$

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