If a wave has a speed of 362 m/s and a period of 4.17 ms, what is its wavelength?
A) 1510 m
B) 1.51 m
C) 86.8 m
D) 86,800 m
E) 0.0115 m
B
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The potential difference between the plates of a parallel plate capacitor with the plate separation of 6 cm is 60 V. What is the electric field between the plates of this capacitor?
A) 60 V/m B) 500 V/m C) 1000 V/m D) 2000 V/m E) 3600 V/m
An atomizer works because of
a. Archimedes' principle. b. Pascal's principle. c. Bernoulli's principle. d. Torricelli's principle. e. none of these principles.
Two isolated copper plates, each of area 0.40 m2, carry opposite charges of magnitude 7.08 × 10-10 C. They are placed opposite each other in parallel alignment, with a spacing of 4.0 cm between them
What is the potential difference between the plates? (?0 = 8.85 × 10-12 C2/N ? m2 ) A) 8.0 V B) 0.40 V C) 3.0 V D) 7.6 V E) 3.2 V
Venus and Mars probably evolved differently from Earth because:
A) they are slightly bigger than Earth. B) they are more massive than Earth. C) they have thicker atmospheres than the Earth. D) they formed sooner than Earth. E) they orbit at different distances from the Sun.