All four jovian planets are made primarily of hydrogen and oxygen
Indicate whether the statement is true or false
FALSE
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Suppose you are in a spaceship accelerating away from Earth at 9.8 m/s2 (1 g), so that you can walk on the floor of your spaceship as though experiencing normal gravity on Earth. Is it possible for you to consider yourself to be at rest? Why or why not?
A) yes, by assuming you are feeling effects of gravity and that Earth is accelerating away from you because it is in freefall B) no, because you feel a force so you must truly be accelerating C) No, because you are accelerating away from Earth, and it's not legitimate to claim that Earth is accelerating away from you. D) yes, but only if you believe that you are the center of the universe
What evidence do we have that Jupiter must have a substantial solid core under the thick clouds?
A) Its magnetic field must be form by rotating molten iron, like our own. B) Occasional breaks in the clouds reveal a solid surface at times. C) Jupiter's disk is more oblate than it should be, suggesting it has a higher density. D) Jupiter's disk is less oblate than it should be, if it were only hydrogen and helium. E) The Io flux tube goes straight down to Jupiter's iron core.
Suppose that a certain atom possesses only four distinct energy levels. Assuming that all transitions between levels are possible, how many spectral lines will this atom exhibit?
A) three B) four C) six D) unlimited
A charged particle (mass = 4.0 ?g, charge = 5.0 ?C) moves in a region where the only force on it is magnetic. What is the magnitude of the acceleration of the particle at a point where the speed of the particle is 5.0 km/s, the magnitude of the magnetic field is 8.0 mT, and the angle between the direction of the magnetic field and the velocity of the particle is 60°?
a. 39 km/s2 b. 43 km/s2 c. 48 km/s2 d. 52 km/s2 e. 25 km/s2