The change in the direction of a wave resulting from its encountering a small slit is known as

a. interference.
b. diffraction.
c. reflection.
d. polarization.


b

Physics & Space Science

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You are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching you from behind and you perceive the frequency as 1340 Hz

You are relieved that he is in pursuit of a different speeder when he continues past you, but now you perceive the frequency as 1300 Hz. What is the speed of the police car? The speed of sound in air is 343 m/s. A) 38.4 m/s B) 30 m/s C) 39.2 m/s D) 40.1 m/s E) 41.7 m/s

Physics & Space Science

Radio galaxies emit only radio waves, and are not otherwise observable

Indicate whether the statement is true or false

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Where a block of continental lithosphere collides with a block of oceanic lithosphere, the denser oceanic lithosphere sinks below the less dense continental lithosphere, a process know as

What will be an ideal response?

Physics & Space Science

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 30.0 cm/s when it is located at x = 3.00 m

What is the position with the greatest value of x at which the particle comes to rest? A) 6.73 m B) 5.48 m C) 8.69 m D) 9.21 m E) 7.29 m

Physics & Space Science