How might the odd tilt of Uranus have been produced?
What will be an ideal response?
As with the making of our Moon and Earth's axial tilt, a large impact is possibly the factor that flipped Uranus over on its side.
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A hemispherical surface (half of a spherical surface) of radius R is located in a uniform electric field of magnitude E that is parallel to the axis of the hemisphere. What is the magnitude of the electric flux through the hemisphere surface?
a. pR2E b. 4pR2E/3 c. 2pR2E/3 d. pR2E/2 e. pR2E/3
Kepler's second law, which states that as a planet moves around its orbit it sweeps out equal areas in equal times, means that
a)planets have circular orbits b)planets period does not depend on the eccentricity of its orbit c)a planet travels faster when it is nearer to the Sun and slower when it is farther from the Sun
After a skydiver reaches terminal velocity,
a. the force of gravity no longer performs work on the skydiver. b. work performed by the force of gravity is converted into gravitational potential energy. c. gravitational potential energy is no longer available to the system of the skydiver plus the Earth. d. gravitational potential energy is converted into thermal energy. e. thermal energy is converted into gravitational potential energy.
Determine the potential difference Va ? Vb shown in the circuit below
a.
?5.0 V
b.
+5.0 V
c.
?10 V
d.
+10 V
e.
0 V