In an AC series circuit the inductive reactance is 41.0 ? and the frequency is 137 Hz. What is the inductance in the circuit?
a. 4.8E–2 H
b. 1.5E–1 H
c. 3.0E–1 H
d. 4.7E–1 H
e. 2.2E–1 H
a
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Multiple-Object Accelerating Systems: In the figure, block A has a mass of 3.00 kg. It rests on a smooth horizontal table and is connected by a very light horizontal string over an ideal pulley to block B, which has a mass of 2.00 kg. When block B is gently released from rest, how long does it take block B to travel 80.0 cm?
A. 0.404 s B. 0.494 s C. 0.639 s D. 0.785 s E. 0.935 s
What is the temperature of the gas in the dark dust clouds, and why is this important to molecule formation?
What will be an ideal response?
Jennifer hits a stationary 0.20-kg ball, and it leaves her racket at 40 m/s. Time-lapse photography shows that the ball was in contact with the racket for 40 ms
(a) What average force did the ball exert on the racket? (b) What is the ratio of this force to the gravitational force that Earth exerts on the ball?
______________ mountains are believed to have been built by normal faulting in which giant pieces of Earth's crust were tilted and uplifted
Fill in the blank(s) with correct word