When a body moves with uniform acceleration, the net force on it is zero
Indicate whether the statement is true or false
F
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A pair of parallel conducting plates have potentials of -17 V and 55 V, respectively. An electron is ejected from the plate at potential -17 V and travels to the plate at 55 V. What is the change in the electron’s potential energy as it makes this journey?
a.
b.
c.
d.
Due to the high temperatures of the gas, what color do prominences appear as during a solar eclipse?
a. copper b. blue c. pink d. violet e. teal
What is the radius of curvature of the path of a 3.0-keV proton in a perpendicular magnetic field of magnitude 0.80 T?
A. 9.9 mm B. 1.1 cm C. 1.3 cm D. 1.4 cm E. 7.6 mm
Which of the following radiations is absorbed in the greenhouse effect?
a. Ultraviolet only b. Visible only c. Infrared only d. All of these