<h2>
Answer: 1.25 km</h2>
Explanation:
The velocity 
of a wave is given by:
(1)
Where:
is the wavelength of the wave
is the frequency of the wave. Its unit is Hertz (
)
So, we have to find from equation (1):
(2)
Finally we obtain the wavelength of the earthquake wave:
Gravity causes the motions of planets, stars, and galaxies. It's why the Moon orbits around the Earth, and the Earth orbits around the Sun, and the solar system orbits around the galaxy.
Answer:
A is the answer
Explanation:
That's why it ranges from big to small.
A) When the angle between the Force (F) and Displacement (x) is 0°, because, Work done (W) is directly proportional to the Cosine of the Angle between the Force applied and the resultant displacement of the subject.
W = F•x cos ∅
If ∅ = 0°,
W = F•x ===> Maximum Work Done.
If ∅ = 45°,
W = F•x/√2
If ∅ = 90°,
W = 0
If ∅ = 180°,
W = –F•x ===> Minimum Work Done.
