Waves on a String: Transverse waves travel at 43.2 m/s in a string that is subjected to a tension of 60.5 N. If the string is 15.9 m long, what is its mass?
A. 0.515 kg
B. 0.216 kg
C. 0.366 kg
D. 0.597 kg
Answer: A
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Time Dilation: Suppose one twin takes a ride in a spaceship traveling at a very high speed to a distant star and then back again, while the other twin remains on Earth. Compared to the twin who remained on Earth, the astronaut twin is
A. younger than the Earth-twin. B. the same age as the Earth-twin. C. older than the Earth-twin. D. The ages cannot be determined from the information provided.
Two objects in orbit around each other orbit their common center of mass
a. True b. False Indicate whether the statement is true or false
A straight wire carries a current of 10 A at an angle of 30° with respect to the direction of a uniform 0.30-T magnetic field. Find the magnitude of the magnetic force on a 0.50-m length of the wire
A) 0.75 N B) 1.5 N C) 3.0 N D) 6.0 N
Frame dragging is a complex consequence of general relativity. It can be simplified into a classical analog, however, demonstrated by which of the following situations?