Both pendulum A and B are 3.0 m long. The period of A is T. Pendulum A is twice as heavy as pendulum B. What is the period of B?
A) 0.71T
B) T
C) 1.4T
D) 2T
E) 3T
B
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Wave Characteristics: A laser beam takes 24 ms to travel from a rocket to the reflective surface of a planet and back to the rocket. How far is the rocket from this planet's surface? (c = 3.0 × 108 m/s)
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Scientists refer to Earth as a differentiated planet because ________.
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Georgia moves an unattached piece of wire back and forth over a magnet. Which best explains what will happen?
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