The Huygens probe of the ESA made a successful landing on
A) Mars. B) Saturn. C) Europa. D) Titan. E) Triton.
D
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The ____ of a star is a measure of the total energy radiated by the star in one second
a. color b. apparent visual magnitude c. luminosity class d. spectral type e. luminosity
Pascal's Principle: The small piston of a hydraulic lift has a diameter of 8.0 cm, and its large piston has a diameter of 40 cm. The lift raises a load of 15,000 N. Assume the pistons each have negligible weight.(a) Determine the force that must be applied to the small piston.(b) Determine the pressure applied to the fluid in the lift.
What will be an ideal response?
What is the wavelength of the emitted photon if an electron in the hydrogen atom makes a transition from the ni = 2 to the nf = 1 state?
A) 205.2 nm B) 87.5 nm C) 91.2 nm D) 121.5 nm E) 402.1 nm
Briefly describe one of the three questions left unanswered by the standard Big Bang theory which are solved by inflation. That is, describe either the structure problem, the uniformity (or smoothness) problem, or the density (or flatness) problem
What will be an ideal response?