Neutrinos are a subset of which of the following categories? w) photons x) leptons y) mesons z) baryons

Neutrinos are a subset of which of the following categories? w) photons x) leptons y) mesons z) baryons
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ANSWER: X -- LEPTONS
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Of the following answers, which is the frequency closest to middle-C on a piano? w) 20 x) 256 y) 2520 z) 25200

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If two different gases have the same volume, temperature, and pressure and behave like ideal gases, they will also be identical in which one of the following ways? w) average molecular velocity x) total mass y) total molecular kinetic energy z) average momentum per molecule

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The temperature of a gas is held constant while its volume is reduced. The pressure the gas exerts on the walls of its container increases because its molecules: w) strike the container walls more often x) strike the container walls with higher speeds y) strike the container walls with greater force z) all of the above

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If the resultant force acting on a body of constant mass is zero, the body's acceleration is: w) increasing x) decreasing y) always zero z) negative.

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