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1) A series RLC ac circuit is at resonance. It contains a resistor of 30 Ohms, a capacitor of 0.35 microFarads and an inductor of 90 mH. If an effective (rms) voltage of 150 V is applied, what is the peak current?2) An AM radio turning circuit has a coil with an inductance of 6.0 mH and a capacitor set at 7.5 x 10-6 microFarads. What frequency will it detect?
A 1.9-MeV (kinetic energy) proton enters a 0.29-t field, in a plane perpendicular to the field. What is the radius of its path
A spring can be compressed 2.0 cm by a force of 329 N. A block with a mass of 9.0 kg is released from rest at the top of a frictionless incline as shown. What is the speed of the block just as it touches the spring
A ball moving at 13 m/s makes an off-center elastic collision withanother ball of equal mass that is initially at rest. The incoming ball is deflected atan angle of 71? from its original direction of motion.
a swift moving hawk is moving due west with a speed of 30 ms 5.0 s later it is moving due north with a speed of 20 ms.
A mass (m=5kg) is attached to a horizontal spring and placed on a frictionless surface. The spring-mass system is compressed, and released. What is the total energy of the spring-mass system
Q)the length of a rectangle banner is 5ft longer than its width. If the area is 66 square feet, find the dimensions
A beam of nuclei is used for cancer therapy. Eachnucleus has an energy of 130 MeV, and the relative biologicaleffectiveness (RBE) of this type of radiation is 16. How many nuclei are in the beam
In a particle accelerator the protons travel around a circularpath of diamter 23 meters in a chamber of 10^-6 mmHg pressure and295K temperature. what is the fean free path of the gasmolecules if the molecular diameter is 2 x 10^-8 cm
A soccer player kicks the ball toward a goal that is 21.0 m in front of him. Find the speed of the ball when the goalie catches it in front of the net
A person stands on the edge of a roof 490m above the ground and throws a stone horizontally with an initial speed of 15 m/s. Neglecting air resistance. find (a) the time taken by the stone to reach the ground. and (b) the speed with which it hits the..
Induced emf measurements can be used to measure the speed of a conducting fluid such as sea water. If a 20 cm inner diameter nonconducting pipe has sea water flowing through it at a flow rate of 10 gal/min and a uniform magnetic field of 0.05 T is ap..
a mercury barometer reads 770.0 mm on the roof of a building and 785 mm on the ground. assuming a constant value of
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