C. because energy can not be created or destroyed, but transformed/transferred to maintain equilibrium.
Answer:
0.6 m/s
Explanation:
1.8 km = 1800 m
5 minutes= 300 s
Now,
Velocity = Displacement / time
= 1800/300
= 0.6 m /s
As you inhale, your ribs move up and out decreasing the internal pressure and increasing the volume of the lungs forcing air into the lungs from an area of externally high pressure in comparison to the low internal pressure.
We have no idea what the 1.5 means. Fortunately, we don't need it.
Resistance = voltage / current
= (89 v) / (8 A) = 11.125 ohms