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1. Consider a series RLC circuit where R = 549 ohms, C = 5.25 uF, and L = 35.0 mH. Decide the resonance frequency so of the circuit.
Answer _______ s^-1
2. What is the maximum current when the circuit is at resonance, if the amplitude of the (ac) voltage is 48.0 V?
Answer _______ A
The zygomatic bone in the upper part of the cheek can be fractured by a 900-N force lasting 6.0 ms or longer. By how much does it change the force on the face
A supersonic jet flying at 145 m/s is accelerated uniformly atthe rate of 23.1 m/s2 for 20.0 s. How many times thespeed of sound is the planes final speed
The E-field between the parallel capacitor plates is 4.1·105 N/C. What B-field is required so that the protons are not deflected? (Ignore relativistic effects for highvelocities.)
Orb spiders make silk with a typical diameter of 0.15 millimeter. A typical large orb spider has a mass of 0.50 kilogram. If this spider suspends itself from a single 12 centimeter long strand of silk, determine by how much will the silk stretches
A 6 m long, uniform ladder leans against a frictionless wall and makes an angle of 67.3 with the floor. The ladder has a mass 21 kg. A 54.6 kg man climbs 82% of the way to the top of the ladder when it slips and falls to the floor.
A bar magnet is oriented with its magnetic dipole moment at 50.7° to the direction of a 0.0983-T magnetic field, Find the magnitude of the magnet\'s magnetic dipole moment
There are 5 pairs of plates: A,B, and D are charged plastic plates and C is an electrically neutral copper plate. A is attracted to B, C to A, C to D, B to D, How can you tell if they attract or do not
A grasshopper hops along a level road. On each hop, the grasshopper launches itself at angle θ0=45° and achieves a range R = 0.82m .What is the average horizontal speed of the grasshopper as it hops along the road? Assume that the time spent o..
Two college students having the same mass M roll toward each other on roller blades, each moving at the same speed v. What is the combined momentum of the two skaters?
The projection lens in a certain slide projector is a single thin lens. A slide 24.9 millimeter high is to be projected therefore that its image fills a screen 1.79 meter high. Evaluate the focal length of the projection lens
The telescope at a small observatory has objective and eyepiece focal lengths respectively of 20.0 m and 12 cm. determine length of the barrel of the telescope
a disk and a hoop have the same mass and same radius. Explain why the disk reaches the bottom of the incline first
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