Physics, 11.03.2021 08:40 Blossom824
32. Which statement best describes the difference between strong nuclear forces and weak nuclear forces? (2 points)
• Weak nuclear forces are involved when certain types of atoms break down. Strong nuclear forces are
responsible for holding atoms' nucleus together.
• Weak nuclear forces hold bonds between atoms together. Strong nuclear forces hold together the nucleus of an atom.
• Strong nuclear bonds prevent atoms from falling apart. Weak nuclear bonds prevent compounds from falling apart.
• Strong nuclear forces are involved in breaking electrons from their shells. Weak nuclear forces hold protons in the nucleus. in
Answers: 3
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The particle p starts from rest at point a at time t = 0 and changes its speed thereafter at a constant rate of 2.8g as it follows the horizontal path shown. determine the magnitude and direction of its total acceleration (a) just before point b, (b) just after point b, and (c) as it passes point c. state your directions relative to the x-axis shown (ccw positive) and choose the angle with the smallest magnitude.
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Physics, 22.06.2019 22:50
Cyclotrons are widely used in nuclear medicine for producing short-lived radioactive isotopes. these cyclotrons typically accelerate h- (the hydride ion, which has one proton and two electrons) to an energy of 5 mev to 20 mev. this ion has a mass very close to that of a proton because the electron mass is negligible—about 1 2000 of the proton’s mass. a typical magnetic field in such cyclotrons is 1.9 t. (a) what is the speed of a 5.0-mev h-? (b) if the h- has energy 5.0 mev and b = 1.9 t, what is the radius of this ion’s circular orbit?
Answers: 1
32. Which statement best describes the difference between strong nuclear forces and weak nuclear for...
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