The electrical force between electric charges depends only on their
A) magnitude.
B) separation distance.
C) both of these
D) neither of these
Answer: C
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Hydrogen is the most abundant element in Jupiter's atmosphere.
Answer the following statement true (T) or false (F)
Give an example of the Doppler effect being used in a baseball game
What will be an ideal response?
A 6.0-kg object is falling downward with an acceleration of 3.27 m/s2 . Of the following values, which is nearest to the drag force on the object?
a. 3.3 N b. 65 N c. 20 N d. 39 N
The ratio of the circumference of any circle to its diameter is ?. Similarly, the ratio of the energy of any photon to its frequency is
1) h, Planck's constant, 2) uncertain, unlike ?, 3) the wavelength of the photon, 4) c, the photon's speed, which is 5) a basic constant of nature setting a lower limit on the smallness of things. 6) a basic constant of nature setting an upper limit on the speed of things.