The proton-proton cycle converts all of the mass of the four hydrogen atoms into pure energy
Indicate whether the statement is true or false
FALSE
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Two charged bodies separated by a distance d exert a repulsive electrical force on each other. The signs of the charges on the two bodies might be
a. + and +. b. – and –. c. + and –. d. any of the above. e. not determinable.
An AC series circuit has 18.9-? resistance, 21.1-? inductive reactance, and 15.5-? capacitive reactance. If an effective (rms) emf of 94 V is applied, what is the power output?
a. 2.34E+2 W b. 1.60E+2 W c. 4.66E+2 W d. 4.30E+2 W e. 2.32E+2 W
The Sun's rays are transmitted to Earth by means of
a. radiation. b. convection. c. temperature. d. conduction.
When uranium fissions, the fission fragments are
A) each about half the mass of the uranium nucleus. B) about 2/5 and 3/5 the mass of the uranium nucleus. C) about 1/3 and 2/3 the mass of the uranium nucleus. D) about 1/4 and 3/4 the mass of the uranium nucleus. E) about 1/5 and 4/5 the mass of the uranium nucleus.