Force on a Moving Charge: At a particular instant, an electron moves toward the east in a uniform magnetic field that is directed straight downward. The magnetic force that acts on it is
A. zero.
B. upward.
C. toward the north.
D. toward the south.
E. downward.
Answer: D
Physics & Space Science
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Fill in the blank(s) with correct word
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Explain the steps involved in clearing a nebular of its interstellar material that stopped planetary formation
What will be an ideal response?
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Which type of nebulae is produced when short-wavelength scatters from the dust and displays a blue hue?
a. emission nebulae b. H I c. reflection nebulae d. dark nebulae e. spectral type B6
Physics & Space Science
Which of the following is characteristic of mountain stream valleys?
A) They are curvy and slow moving. B) They are V-shaped and have rapids. C) They have deltas. D) They are deep and wide.
Physics & Space Science