According to the Solar Nebula theory, planets
A) should be a common result of star formation.
B) should be randomly oriented to their star's equator.
C) will revolve opposite the star's rotation.
D) should orbit perpendicular to their star's equator.
E) should be extremely rare.
A
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What is the MOST important role that lipids play in living organisms on Earth?
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In science, a range of possible values resulting from a measurement is referred to as
A) a deviation B) bias C) an error D) an uncertainty
The Bohr model pictures a hydrogen atom in its ground state as a proton and an electron separated by the distance a0 = 0.529 × 10^-10 m. The electric potential created by the proton at the position of the electron is
a. -13.6 V. b. +13.6 V. c. -27.2 V. d. +27.2 V. e. +5.12 × 10^9 V.
A 5.00 kg box slides up a 10.0 m long friction incline at an angle of 20.0 degrees with the horizontal pushed by a 40.0 N force parallel to the incline. The coefficient of kinetic friction is 0.100. The change in kinetic energy is
A. 105 J. B. 145 J. C. 186 J. D. 200 J. E. 243 J.