Consider the following circuits. Two identical batteries are connected to two identical inductors as shown. The switches are closed for a very long time
3
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The howler monkey is the loudest land animal and can be heard up to a distance of 2.5 km. Assume the acoustic output of a howler to be uniform in all directions. The acoustic power emitted by the howler, in mW, is closest to:
A) 0.079 B) 0.026 C) 0.26 D) 0.79 E) 2.6
A long solenoid has a radius of 2.0 cm and has 700 turns/m. If the current in the solenoid is decreasing at the rate of 8.0 A/s, what is the magnitude of the induced electric field at a point 2.5 cm from the axis of the solenoid?
a. 56 mV/m b. 8.8 mV/m c. 88 mV/m d. 69 mV/m e. 44 mV/m
Newtonian gravity is often called universal mutual gravitation because every particle with mass in the Universe must attract every other particle
a. True b. False Indicate whether the statement is true or false
The ____________________ is a measure of how many times larger the angular size of an object appears through a telescope
Fill in the blank(s) with correct word