Moons revolve around a planet, and planets revolve around the sun. Ganymede is considered a moon because it revolves around the planet Jupiter, therefore, it is a moon. :) I hope this helps!
Streamline
Effect
Drag
Parachutes
Surface area
Friction
Air
Water
The reason the efficiency is always less than 100% is because there is always some sort of friction in the machine.
Answer: because of friction
The Wavelength . I had this question earlier. Hope this Helps! Brainliest Answer?
The formula that relates the resistance R of a wire with the resistivity
of the material of the wire is
where L is the length of the wire (in our problem,
) and A is the cross sectional area (in our problem,
).
For the aluminim wire (
) of the problem, the resistance is