In beta-minus decay
A) a proton is emitted.
B) a neutron is emitted.
C) an electron is emitted.
D) an electron decays into another particle.
E) a proton is transformed into a neutron.
C
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A fish above the surface of water will see better in air if it has goggles that are
A) tinted blue. B) hemispherical. C) filled with water. D) extremely shiny. E) none of the above
A particle (m = 20 mg, q = -5.0 mC) moves in a uniform electric field of 60 N/C in the positive x direction. At t = 0, the particle is moving 25 m/s in the positive x direction and is passing through the origin. How far is the particle from the origin at t = 2.0 s?
a. 80 m b. 20 m c. 58 m d. 10 m e. 30 m
A bar magnet is falling through a loop of wire with constant velocity. The north pole enters first. As the south pole leaves the loop of wire, the induced current (as viewed from above) will be:
a. along the length of the magnet. c. counterclockwise. b. zero. d. clockwise.
In the inner solar system, the largest surface features (such as volcanoes or valleys) are found on the largest planets
Indicate whether the statement is true or false