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A wire of mass 5.00 grams and length 1.20 m is stretched with a tension of 36.0 N. Waves of frequency 50.0 Hz and amplitude 1.6 mm are traveling along the wire. What is the average power carried by the waves?
When you take your 1200 kg car out for a spin, you go around a corner of radius 57.7 m with a speed of 15.7 m/s. The coefficient of static friction between the car and the road is 0.80. Assuming your car doesn't skid, what is the force exerted on it ..
Body A in the figure weighs 122 N, and body B weighs 33.5 N. The coefficients of friction between A and the incline are, What is the acceleration of A if A is initially at rest
Solar cells generate a potential difference when exposed to sunlight. In an experiment, you wish to charge a rechargeable battery by connecting it in series to an array of solar cells. What is the area of the array of solar cells
Two protons that are very far apart are hurled straight at each other, each with an initial kinetic energy of 0.21 MeV, What is the separation of the protons from each other
In exercise physiology studies, it is sometimes important to determine the location of a person's center of gravity. How far from the woman's feet is her center of gravity
solenoid is formed by winding 23.0 m of insulated silver (resistivity 1.59 x 10-8 Ω·m) wire around a hollow cylinder. The turns are wound as closely as possible without overlapping, and insulating coat on the wire is negligibly thin.
A box of sand, initially at rest, is to be pulled across a floor by means of a cable in which the tension cannot be allowed to exceed 1100N. What is the weight of the sand and box in that situation
Two charged bodies exert a force of 0.190 N on each other. If they are moved so that they are one-fifth as far apart, what force is exerted
question a 7.10 nc charge is located 1.76 m from a 4.14 nc point charge. a find the magnitude of the electrostatic
a 1250 kg car is traveling around a banked curve at a speed of 23.5 m/s. the curve is banked 24 degrees to the horizontal. draw a free body diagram for the car, including all forces acting on it. clearly label and name each force
A tungsten (W) target is bombarded by electrons accelerated through a potential of 60 kV. What is the cutoff wavelength of the X-rays emitted from the target
In the figure, a point charge 1.3μ C is adistance d/2 directly above the center of a square of side d = 0.26cm . What is the magnitude of the electric flux through the square? (
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