A charged particle moving perpendicular to a uniform magnetic field will follow a circular path with radius r = mv/Bq. If the magnetic field is doubled, what happens to the time that it takes for the particle to complete one loop around its path?
1.It doubles.
2.It quadruples.
3.It halves.
4.It stays the same.
3
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Which Greek school of thought believed that life on Earth was unique?
A) the Aristotelians B) the Platonists C) the stoicists D) the atomists
Temperature Scales: At what, if any, temperature are the numerical readings on the Fahrenheit and Celsius scales the same?
A. -30° B. -40° C. -50° D. -60° E. They can never read the same because they are based on different zeroes.
An aircraft approaches a runway that runs directly east as a strong wind blows out of the south. The direction that the aircraft should aim in order to land is east of north
a. True b. False Indicate whether the statement is true or false
Mass on a Spring: How much mass should be attached to a vertical ideal spring having a spring constant (force constant) of 39.5 N/m so that it will oscillate at 1.00 Hz?
A. 39.5 kg B. 2.00 kg C. 1.00 kg D. 1.56 kg E. 6.29 kg