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A 8.00 Ω resistor, 10.0 mH inductor, and a 130 µF capacitor are connected in series to a 40.0 V (rms) source having variable frequency. Discover the energy delivered to the circuit through one period if the operating frequency is twice the resonance frequency.
A person makes a quantity of iced tea by mixing 500g of hot tea (basically water) with an equal mass of ice at its melting point. Suppose the mixture has negligible energy exchanges with its environment.
A 150g copper bowl contains 220g of water, both at 20 degrees Celsius. A very hot 300g copper cylinder is dropped into the water, causing the water to heat, by 5g being converted to steam. The final temperature of the system is 100 degrees Celsius.
A rope is utilized to pull a 3.57 kg block at constant speed 4.86 m along a horizontal floor. The force on the block from the rope is 7.82 N and is directed 15° above the horizontal. What is the work done by the rope's force?
Through a rockslide, a 770 kg rock slides from rest down a hillside that is 500 m long and 300 m high. The coefficient of kinetic friction among the rock and the hill surface is 0.29. How much energy is transferred to thermal energy through the slide
A drop of water on a countertop reflects light from a flower held2.6 cm directly above it. The flower's diameter is 2.0 cm, and the diameter of the flower's image is 0.19 cm. What is the focal length of the water drop, assuming that it might be treat..
A beam of high-energy protons emerges from a cyclotron. Is there a magnetic field associated by these particles? Why or why not? There is no magnetic field associated with these protons as there is an electric field around them. There is a magnetic f..
A subatomic particle created in an experiment exists in a certain state for a time of Δt = 8.0 x 10-20 s before decaying into other particles. Apply both the Heisenberg uncertainty principle and the equivalence of energy and mass (seeSection28.6) to ..
A roller-coaster car has a mass of 500kg when fully loaded by passengers. The car passes over a hill of radius 15 m. At the top of the hill, the car has a speed of 8.0 m/s. what is the force of the track on the car at the hill?
A 10.0 kg black is released from point A. The track is frictionless except for the portion among points B and C, which has a length of 6.00 m. The block travels down the track, hits a spring of force constant 2250N/m, and compresses the spring 0.300 ..
A 14-g bullet is fired horizontally into a 110-g wooden block that is originally at rest on a frictionless horizontal surface and connected to a spring having spring constant 169 N/m. The bullet becomes embedded in the block. The bullet-block system ..
A child playing tee ball hits a stationary 65 {\rm g} ball with a 300 {\rm g} bat swinging initially at 4.0 {\rm m/s}. What's the bat's post-impact speed
Two parallel wires are 61 cm apart. Each wire is 4 cm long. One wire is a carrying a current of 23 A and the other wire is carrying a current of 21 A. Both currentsare going in the same direction. Determine the force between the two wires.
Calculate the maximum current density in a lead wire of diameter 4 mm at a temperature of 4.2K if the wire is to remain superconducting. The relevant values for lead are Tc= 7.19k and Bc =6.39 x104 A/m . (note that the magnetic field in the wire is g..
The space shuttle begins its landing at a speed of 357 km/hr at an angle of 13 degrees below the horizontal. Illustrate what are the horizontal and vertical components of its velocity?
A series RLC circuit is connected across a 10.0 kHz source. The 1.2 H inductor and 1000 ? resistor are fixed whereas the capacitor is variable. At what capacitance will the current in the resistor be a maximum
A cube is floating in a lake. IT is observed that 0.4 m of the cube is underwater with the remaining 0.1 m above. The density of water is 1000 kg/m^3. what is the magnitude of the foce that is exerted
A 0.22kg arrow with a velocity of 15.00 m/s to the west strikes and pierces the center of a 3.00 kg target. What is the final velocity of combined mass? Answer in m/s.
A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.5 m/s . Two seconds later the bicyclist hops on his bike and accelerates at 2.4m/s2 until he catches his friend. How much timedoes it take until h..
You push with a horizontal force of 43.7N against a 25.0N box, pressing it against a rough wall to hold it in place. What is the friction force on the box
when viewing an object with a magnifying glass whose focal length is 10 cm, What is the observed magnification
A mail bag with a mass of 120 is suspended by a vertical rope of length 8.00. How much work is done by the worker in moving the bag to this position
Describe a wave pulse and a continuous progressive (traveling) wave. Describe and give examples of transverse and longitudinal waves. Which of acceleration, age, speed, temperature, and velocity are vector quantities?
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