What is the weak force?
a. Another name for the nuclear force (i.e., the n-n, n-p, p-p) force.
b. The gravitational force at the nuclear level.
c. A nuclear force much weaker than gravitational forces.
d. The force involved in beta decay.
e. The force holding electrons to nuclei.
d
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A 0.600-mm diameter wire stretches 0.5% of its length when it is stretched with a tension of 20 N. What is the Young's modulus of this wire?
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