Which type of electromagnetic wave is the shortest?
a. radio
b. X-rays
c. visible light
d. gamma
e. microwave
d
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Energy in Nuclear Reactions: If a ?- particle at rest decays into a neutron and a ?-, what is the total kinetic energy of the decay products? The masses of ?-, neutron, and ?- are 1197 MeV/c2, 940 MeV/c2, and 140 MeV/c2, respectively.
Fill in the blank(s) with the appropriate word(s).
Object A has twice as much mass as object B. If you exert the same force on these two objects, how do their accelerations compare?
A) Object A has half as much acceleration as object B. B) Object A has four times as much acceleration as object B. C) Object A has twice as much acceleration as object B. D) They both have the same acceleration. E) It is impossible to answer this without further details concerning the composition of the two object.
A container is filled with a mixture of helium and oxygen gases. A thermometer in the container indicates that the temperature is 22°C. Which gas molecules have the greater average kinetic energy?
A) It is the same for both because the temperatures are the same. B) The oxygen molecules do because they are diatomic. C) The oxygen molecules do because they are more massive. D) The helium molecules do because they are less massive. E) The helium molecules do because they are monatomic.
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What will be an ideal response?