Answer:
20 m/s
Explanation:
The speed of a wave is given by:

where
is the wavelength
f is the frequency
v is the speed
For the wave in this problem,
f = 10 Hz is the frequency
is the wavelength
So the speed is

Gases do not conduct heat well.
Answer:
Mike can travel 80 Km in 4 hours
Answer:
567.321nm
Explanation:
See attached handwritten document for more details
Answer:
the faster an object moves the more kinetic it has. the more mass an object has, the more kinetic energy it has.