What would the geometry of a universe at the critical density be?
What will be an ideal response?
This would be a flat universe and follow Euclid's geometry.
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If a galaxy has a radial velocity of 8000 km/s and the Hubble constant is 70 km/s/Mpc, what is the distance to this galaxy?
a. 8.75 × 10^3 Mpc b. 2.4 × 10^9 Mpc c. 5.6 × 10^5 Mpc d. 114 Mpc e. 8.75 × 10^-3 Mpc
What is the source of Jupiter's intense radio waves and magnetism?
A) charged particles trapped in Jupiter's solid iron core similar to Earth B) liquid metallic hydrogen swirling in the rapidly spinning mantle C) the ionized sulfur ejected into a torus around Jupiter by Io D) the auroral displays in the polar regions, just like with the Earth E) a liquid iron and nickel outer core, just like the Earth's magnetic field
The square of the wave function represents the
A) position of the particle. B) velocity of the particle. C) probability of finding the particle. D) position of the particle as a function of time. E) probability density for finding particle.
A wave moves in a rope with a certain wavelength. A second wave is made to move in the same rope with twice the wavelength of the first wave. The frequency of the second wave is half the frequency of the first wave
Indicate whether the statement is true or false