Question

A car tyre has a constant volume. Why does the pressure of the air in the tyre increase when its temperature increases?
A The air molecules hit each other less often.
B The air molecules hit the inside of the tyre less often.
C The average speed of the air molecules in the tyre is greater.
D There are more air molecules in the tyre.

Answer 1

HII THERE IS YOUR ANSWER

FIRST I CLEAR THAT WHEN EVER THE AIR WITH IN A FIX VOLUME HEATED THAN THE AIR EXPAND

SO WHEN WE HEAT THE TYRE THAN THE AIR IN THE TYRE EXPAND WHICH RESULT THAT THE AIR MOLECULES HIT LESS EVEN OFTEN WHICH FURTHER RESULT THAT THEY HIT THE WALL OF THE TYRE MORE THAN BEFORE WHICH INCREASE THE PRESSURE WITH IN THE TYRE OF FIX VOLUME

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