The moon rises in the east & rises in the west I believe, it also rotates Clockwise I think.
Answer:
Bad friction can be explained two ways:
Explanation:
1. The main disadvantage of friction is that it produces heat in various parts of machines. In this way some useful energy is wasted as heat energy.
2. Due to friction we have to exert more power in machines.
Answer:
19.32
Explanation:
the wavelength formula is speed divided by frequency
speed = 5100m/s
frequency = 264Hz
so wavelength = 5100 m/s / 263 Hz
= 19.32