Explanation:
a)
The circumference of the path is:
C = 2πr
C = 2π (0.235 m)
C = 1.48 m
Velocity = displacement / time
v = 1.48 m / 1.95 s
v = 0.757 m/s
b)
1 rev / 1.95 s = 0.513 Hz
c)
1 rev / 1.95 s × (2π rad / rev) = 3.22 rad/s
Answer:
34.3cm
Explanation:
Attached is the full solution
Answer:
At what time of day would you expect the New Moon to rise?
A) Midnight
B) Sunset
C) Noon
D) Sunrise
An HR diagram is a plot of:
A) Luminosity versus apparent magnitude.
B) Absolute magnitude versus luminosity.
C) Absolute magnitude versus surface temperature.
D)Apparent magnitude versus color index.
E) Color index versus surface temperature.
What is the most easily visible manifestation of the Earth's magnetic field?
A) The Van Allen radiation belts
B) The magnetopause
C) The aurorae
D) There is no easily visible manifestation of the Earth's magnetic field.
For a lunar eclipse (the moon is obscured from view), which phase is necessary?
A) third quarter
B) new moon
C) first quarter
D) full moon
You multiply force times friction