In all interactions __________ number is conserved

Fill in the blank(s) with correct word


baryon

Physics & Space Science

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What resistance must be put in series with a 30-mH inductor at 4000 Hz to have a total impedance of 8.0 × 104 ??

A) 30 × 104 ? B) 5.0 × 104 ? C) 6.0 × 104 ? D) 7.0 × 104 ? E) 8.0 × 104 ?

Physics & Space Science

There is a hollow, conducting, uncharged sphere with a negative charge inside the sphere. Consider the electrical potential at the inner and outer surfaces of the sphere. Which of the following is true?



a.
The potential on the inner surface is greater.

b.
The potential on the outer surface is greater.

c.
The potentials on both surfaces are zero.

d.
The potentials on both surfaces are equal but not zero.

Physics & Space Science

A meter stick is moving toward you with a speed of 0.85c. What is its length?

A) zero B) 0.47 m C) 0.53 m D) 0.74 m E) 1.0 m

Physics & Space Science

If an average hydrogen atom in Earth's atmosphere has a velocity of 2.5 km/s, what would be the average velocity of an oxygen molecule in Earth's atmosphere? Note that the atomic mass of an oxygen atom is 16 times that of a hydrogen atom.

a. 0.16 km/s b. 2.5 km/s c. 0.62 km/s d. 0.44 km/s e. 0.25 km/s

Physics & Space Science