Determine the energy stored in C1 when C1 = 10 ?F, C2 = 12 ?F, C3 = 15 ?F, and V0 = 70 V
a.
6.5 mJ
b.
5.1 mJ
c.
3.9 mJ
d.
8.0 mJ
e.
9.8 mJ
c
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In size, from largest to smallest, the correct order for the Galilean moons is:
A) Callisto, Ganymede, Europa, Io. B) Ganymede, Callisto, Io, Europa. C) Io, Europa, Callisto, Ganymede. D) Europa, Ganymede, Io, Callisto. E) Ganymede, Callisto, Europa, Io.
The crossover point from radiation to matter domination occurred
A) when the strong force separated from the other two forces. B) with the emission of the cosmic background radiation. C) about 50,000 years after the Big Bang, at a temperature of about 16,000 K. D) with the creation of neutrons and protons, at about 1013 K. E) with the creation of electrons and positrons at about 6 × 109 K.
In 2.0 s, a particle moving with constant acceleration along the x axis goes from x = 10 m to x = 50 m. The velocity at the end of this time interval is 10 m/s. What is the acceleration of the particle?
a. +15 m/s2 b. +20 m/s2 c. ?20 m/s2 d. ?10 m/s2 e. ?15 m/s2
A jet plane travels around the world at 2 000 mi/hr (894 m/s). Two accurate atomic clocks measure the times of flight, one on board the plane and the second on Earth. If it takes 12 hours to complete the journey, what will the time difference (in ?s) be?
a. 0.75 b. 0.50 c. 0.25 d. 1.0 e. 0.19