Household wiring can emit electromagnetic waves of frequency 60 Hz. What is the wavelength of these waves?

A.

B.

C.

D.

E.


E.

Physics & Space Science

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Consider the motion of a 1.00-kg particle that moves with potential energy given by U(x) = -(2.0 J?m)/x + (4.0 J?m2)/x2. Suppose the particle is moving with a speed of 3.00 m/s when it is located at x = 1.00 m

What is the speed of the object when it is located at x = 5.00 m? A) 2.13 m/s B) 3.00 m/s C) 4.68 m/s D) 3.67 m/s E) This question cannot be answered. You need to know the direction of the velocity, not just the speed, when the particle is located at x = 1.00 m.

Physics & Space Science

The redshifts of the galaxies imply that the Universe is expanding and that we are at the center

Indicate whether the statement is true or false

Physics & Space Science

The unit of electric current, the ampere, is equivalent to which of the following?

a. V?? b. V/? c. ??m d. V/s

Physics & Space Science

In a resonating pipe which is open at both ends, there

A) are displacement nodes at each end. B) are displacement antinodes at each end. C) is a displacement node at one end and a displacement antinode at the other end. D) all of the above are possible E) none of the above

Physics & Space Science