A 10.00-V battery is connected between two parallel metal plates 4.00 mm apart. What is the magnitude of the electric field between the plates?
a. 2.50 × 10^3 N/C
b. 25.0 N/C
c. 14.0 N/C
d. 4.00 × 10^?6 N/C
e. 2.90 × 10^3 N/C
a
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A 16 solar mass main sequence star is at a smaller distance than a 1solar mass mainsequence star. Which star appears brighter?
a) cannot tell with the information given b) stars are approximately the same brightness c) the 16 solar mass main sequence star d) depends on the phase of the Moon e) the 1 solar mass main sequence star
The brightest star (apparent magnitude –1) in the night sky in the Northern Hemisphere is named
a. Polaris. b. Sirius. c. Deneb. d. Alpha Centauri.
Extremely old pulsars that have experienced large amounts of mass transfer may become _______________ pulsars
Fill in the blank(s) with correct word
A certain photon after being scattered from a free electron at rest moves at an angle of 120° with respect to the incident direction. If the wavelength of the incident photon is 0.591 nm, what is the wavelength of the scattered photon?
A) 0.380 nm B) 0 nm C) 0.550 nm D) 0.591 nm E) 0.595 nm