Which of the following lists the ingredients of the solar nebula from highest to lowest percentage of mass of the nebula?
A) hydrogen and helium gas, hydrogen compounds, rocks, metals
B) hydrogen compounds, hydrogen and helium gas, rocks, metals
C) hydrogen and helium gas, hydrogen compounds, metals, rocks
D) hydrogen compounds, hydrogen and helium gas, metals, rocks
E) hydrogen compounds, rocks, metals, hydrogen and helium gas
A) hydrogen and helium gas, hydrogen compounds, rocks, metals
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Are the ring particles of Uranus primordial? Why or why not?
What will be an ideal response?
A resistor and an ideal inductor are connected in series to an ideal battery having a constant terminal voltage V0. At the moment contact is made with the battery,
(a) the voltage across the resistor is A) V0. B) V0/e. C) V0/2. D) zero. (b) the voltage across the inductor is A) V0. B) V0/e. C) V0/2. D) zero.
An electron (m = 9.11 × 10?31 kg) has a speed of 0.50c. Determine the difference between its relativistic kinetic energy and the kinetic energy calculated without considering relativity.
A. 3.0 × 10?15 J B. 2.0 × 10?15 J C. 1.5 × 10?15 J D. 2.4 × 10?15 J E. 1.8 × 10?15 J
An auto is coasting on a level road. It weighs 10. kN. How much work is done by gravity as it moves horizontally 150. meters?
What will be an ideal response?