Answer:
because fm radio waves are affected by tall buildings or tall objects but am radio wave are affected storms
Explanation:
The engine's efficiency is (35J)/125J) = 28% .
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While a bug fly in the air the weight of bug is counter balanced by the buoyancy force that is applied by air on the bug
This buoyancy force is net upthrust on the bug due to air which will help the bug to float in the air
This buoyancy force is given by the formula
here we know that
= density of air
V = volume of bug
so here we can say that upthrust of air is the force that bug will experience during his uplift
Velocity is the speed at which an object is moving, and the direction
in which it's moving.
Acceleration is the rate at which the object's velocity is changing, and
the direction in which it's changing.