Find the resonant frequency for a series RLC circuit where R = 18.0 ?, C = 9.7 µF, and L = 8.30 mH
a. 1.76E+3 Hz
b. 5.61E+2 Hz
c. 7.93E+2 Hz
d. 1.98E+3 Hz
e. 3.51E+2 Hz
b
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In Olympic bobsled races, the sleds travel down the mountain at speeds up to 90 mph in ice coated tracks, navigating several sharp turns. If the bobsled is going too fast around a turn, it
A. travels up the wall on the outside of the turn. B. remains in the middle of the track. C. travels up the wall on the inside of the turn.
A projectile is launched at an angle ? above the horizontal. Three seconds later the projectile is moving the same angle ? below the horizontal. Which of the following (actual values with units, not just algebraic symbols) can be found from the information given?
a. the initial vertical component of the projectile's velocity b. the initial horizontal component of the projectile's velocity c. the initial magnitude of the velocity d. None of the above since at least one of the above must be given to find the other two values.
When 5.0 A at 110 V flows in the primary of an ideal transformer, how many amps at 24 V can flow in the secondary?
A) 5.0 A B) 1.1 A C) 23 A D) 4.6 A
Photography Optics: A slide projector needs to focus the image of a 24.0-mm × 36.0-mm slide onto a square screen 1.50 m on each side. You want to fill the screen as completely as possible without any of the image falling beyond the screen. Due to space constraints in the projector, the slide must be placed 10.5 cm from the lens.(a) What magnification does the projector produce?(b) How far from the lens should the screen be placed?(c) What focal length projector lens is needed?
What will be an ideal response?