Answer:
Charles law
Explanation:
Charle's law states that the volume (V) of a given gas is directly proportional to the absolute temperature (T) at a constant pressure.
That is;
: V ∝ T
: V/T = K
According to this question, the volume of a balloon is warmed up but the pressure is kept the same. Charles law will be used because it shows the relationship between the volume (V) and the temperature (heat) at a constant pressure (P).
Answer:
The value is 
Explanation:
From the question we are told that
The work input is 
The heat delivered is 
The value of A is A = 14
The value of B is B = 72
Generally the efficiency of the heat engine is mathematically represented as
Here 
is the total out energy produce by the heat engine and this is mathematically represented as
=> 
=> 
So
=> 
=> 
=>
Answer:
The carpet is creating the friction.
Explanation:
You can remove the carpet or pick the cabinet up off the carpet.
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Sportsmen use shoes witli spikes because these shoes give them a better grip while running. This is because the force of friction between the shoes and the ground increases with the help of spikes
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This one is A. they tap the steam that is inside the earth for power and heating.
