Answer:
it increases the amplitude of the wave as it propagates.
Explanation:
That is called a physical trainer or a fitness coach. Hope I helped!
Answer:
2 ohms
Explanation:
Hi there!
Ohm's law states that 
where V is the voltage, I is the current and R is the resistance.
Plug in the given information (I=7.5, V=15) and solve for R
Divide both sides by 7.5 to isolate R
Therefore, the circuit resistance would be 2 ohms.
I hope this helps!
<span>-The heat capacity of the water is higher than the heat capacity of the aluminum.
I hope this helped ya :)</span>
The direction of an arrow shows the direction of the force, and the length of the arrow indicates the amount, or size, of the force.
