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

Physics & Space Science

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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?

A) 5.66 × 1010 N/m2 B) 3.54 × 109 N/m2 C) 1.41 × 1010 N/m2 D) 6.43 × 109 N/m2 E) 2.78 × 109 N/m2

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When a 35.0-? resistor is connected across a 4.50-V battery, a current of 500 mA flows. What is the power output delivered by the emf of the battery?

a. 613 W b. 140 W c. 8.75 W d. 4.38 W e. 306 W

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How can an old pulsar have a very short pulsar period, say less than 0.03 seconds?

What will be an ideal response?

Physics & Space Science

How might the odd tilt of Uranus have been produced?

What will be an ideal response?

Physics & Space Science