The center of our galaxy is located in the direction of the constellation of Orion
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F
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The number of cycles of a periodic process that occur per unit time is called the period
a. True b. False Indicate whether the statement is true or false
A 40-turn circular coil (radius = 4.0 cm, total resistance = 0.20 ?) is placed in a uniform magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies with time as given by B = 50 sin(10 ?t) mT where t is measured in s. What is the magnitude of the induced current in the coil at 0.10 s?
a. 50 mA b. 1.6 A c. 0.32 A d. zero e. 0.80 A
Two electric charges QA = + 1.0 ?C and QB= - 2.0 ?C are located 0.50 m apart. How much work is needed to move the charges apart and double the distance between them?
A) -36 × 10-3J B) +18 × 10-3 C) 0 D) +36 × 10-3 E) -18 × 10-3
Seismic P-waves can be detected worldwide from any strong epicenter
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