Answer:
1. matter
2. kilograms
3. same
4. gravitational
5. gravity
6. space
7. weightlessness
8. Newton
9. weight
10. more
I HOPE THESE ARE CORRECT AND IT HELPS
A.... As energy is the ability to do work... And exerting force and transfering heat falls under work
Answer:
632.8 nm is the wavelength (in air) of red light from a helium neon laser.
Sound source is at rest, you are moving with velocity v, f = frequency, c = speed of sound:
f = f0(1 + v/c)
115 = 100(1 + v/343)
115 = 100 + 100v/343
15 = 100v/343
v = 15*343/100
<span>
v = 51,45 m/s </span>
