Explanation:
1. The entire span of possible sound waves is called the acoustic spectrum. It is subdivided into infrasonic sounds, audible sounds, and ultrasonic sounds.
2. The difference between a musical note and another note at twice the frequency is called an octave.
3. Sound intensity varies with the inverse square of distance.
Answer:
option b is correct..................
Answer: 1.44. You can set centripetal force equal to gravitational force caused by the earth because the grav. force is what causes the satellite to orbit in a circle
Answer:
3.06 m/s²
Explanation:
Acceleration is the change in velocity over change in time.
a = Δv / Δt
a = (59.134 m/s − 31.9 m/s) / 8.9 s
a = 3.06 m/s²
In all three cases . . .
-- the shirt appears black, since there's no yellow light shining on it;
-- the shorts appear to have the same color as the light shining on them.