a. What is the speed of a neutron, expressed as a fraction of its original speed, after a head-on, elastic collision with a deuteron that is initially at rest? b. What is its kinetic energy, expressed as a fraction of its original kinetic energy? c. How many such successive collisions will reduce the speed of a neutron to 1/59,000 of its original value?
a. What is the speed of a neutron, expressed as a fraction of its original speed, after a head-on, elastic collision with a deuteron that is initially at rest? b. What is its kinetic energy, expressed as a fraction of its original kinetic energy? c. How many such successive collisions will reduce the speed of a neutron to 1/59,000 of its original value?
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Transcribed Image Text:3. Canadian nuclear reactors use heavy water moderators in which elastic collisions
occur between the neutrons and deuterons of mass 2.0 × my, where my is the
mass of a neutron.
a. What is the speed of a neutron, expressed as a fraction of its original speed,
after a head-on, elastic collision with a deuteron that is initially at rest?
b. What is its kinetic energy, expressed as a fraction of its original kinetic
energy?
c. How many such successive collisions will reduce the speed of a neutron to
1/59,000 of its original value?
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