Some gamma-ray bursters may be due to the merger of a neutron star and a black hole
Indicate whether the statement is true or false
TRUE
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Consider a car that travels between points A and B. The car's average speed can be greater than the magnitude of its average velocity, but the magnitude of its average velocity can never be greater than its average speed
A) True B) False
The circuit below contains three 100-watt light bulbs and a capacitor. The emf ? = 110V. The capacitor is fully charged. Which light bulb(s) is(are) dimmest?
a.
A
b.
B
c.
C
d.
A and B
e.
All three are equally bright (or dim).
A hoop is rolling without slipping along a horizontal surface with a speed of 5.50 m/s when it starts up a ramp that makes an angle of 25.0° with the horizontal. What is the speed of the hoop after it has rolled 3.00 m up the ramp?
A) 4.22 m/s B) 1.91 m/s C) 2.06 m/s D) 3.79 m/s E) 8.02 m/s
Find the first three harmonics of a string of linear mass density 2.00 g/m and length 0.600 m when the tension in it is 50.0 N
A) 132 Hz, 264 Hz, 395 Hz B) 66 Hz, 132 Hz, 198 Hz C) 264 Hz, 528 Hz, 792 Hz D) none of the above