This model characterizes the diode as a simple switch that is either closed or open.
Ans: Ideal
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A bicycle is traveling north at 5.0 m/s. The mass of the wheel, 2.0 kg, is uniformly distributed along the rim, which has a radius of 20 cm. What are the magnitude and direction of the angular momentum of the wheel about its axle?
A) 2.0 kg • m2/s towards the west B) 5.0 kg • m2/s vertically upwards C) 2.0 kg • m2/s towards the east D) 5.0 kg • m2/s towards the east E) 5.0 kg • m2/s towards the west
Why are sound waves not polarizable?
a. Because they are not electromagnetic. b. They are not transverse. c. They are not longitudinal. d. But this is readily possible!
Two forces act on a 6.00-kg object. One of the forces is 11.0 N. If the object accelerates at 2.00 m/s2, what is the greatest possible magnitude of the other force?
a. 33.0 N c. 3.0 N b. 23.0 N d. 1.0 N
The moons of Mars, Phobos (Fear) and Deimos (Terror), are very close to the planet compared to Earth's Moon
Their orbital radii are 9,378 km and 23,459 km respectively. What is the ratio of the period of revolution of Phobos to that of Deimos? A) 0.2528 B) 0.3998 C) 1.582 D) 2.858 E) 3.956