A beta particle is another name for a helium nucleus
Indicate whether the statement is true or false
F
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Typically, no more than a couple dozen potentially hazardous asteroids approach the Earth as close as 0.05 AU each decade
Indicate whether the statement is true or false
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) No, because you feel a force so you must truly be accelerating. B) No, because you are accelerating away from Earth, and it's not legitimate to claim that Earth is accelerating away from you. C) Yes, by assuming you are feeling effects of gravity and that Earth is accelerating away from you because it is in freefall. D) Yes, but only if believe that you are the center of the universe.
Three resistors having resistances of 4.0 ?, 6.0 ?, and 10.0 ? are connected in parallel. If the combination is connected in series with an ideal 12-V battery and a 2.0-? resistor, what is the current through the 10.0-? resistor?
A) 0.59 A B) 2.7 A C) 6.4 A D) 11.2 A E) 16 A
If the polarizing angle (the angle at which reflected light is completely plane polarized) of a flat piece of sapphire is 60.5°, what is its index of refraction?
a. 1.97 b. 1.77 c. 1.59 d. 2.36 e. 1.82