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A converging lens with a focal length of 7 centimeter forms an image of a 3.80 millimeter tall real object that is to the left of the lens. The image is 1.90 centimeter tall and erect.
1) Find where are the object and image located?
While running a marathon, a long-distance runner uses a stopwatch to time herself over a distance of 100. How long will it take her to run a mile at this speed
A wire has a resistance of 29.2 . It is melted down, and from the samevolume of metal a new wire is made that is 3 times longer than theoriginal wire. What is the resistance of the new wire?
A coin is located 22.0 cm to the left of a converging lens (f = 16.0 cm). A second, identical lens is placed to the right of the first lens, such that the image formed by the combination has the same size and orientation as the original coin. Find th..
A 50.0-g bullet is shot straight upward with a muzzle speed of 350 m/s. Find the maximum height the bullet can reach
A concave mirror has a radius of curvature of 34.0cm. Find the height of the image of the insect, Find the location of the image of the insect
A spring has a spring constant of 25 N/m, and a mass of 0.75 kg is suspended from it. If I pull the mass down by 0.13 m out of its equilibrium position, what is the work done against the spring?
Suppose that a parallel-plate capacitor has circular plates with radius R = 40.0 mm and a plate separation of 4.0 mm. Suppose also that a sinusoidal potential difference with a maximum value of 340 V and a frequency of 120 Hz is applied across the..
A 10.0-g piece of Styrofoam carries a net charge of -0.700 ?C and suspended in equilibrium above the center of a large, What is the charge per unit area on the plastic sheet
A small 15{rm g} bug stands at one end of a thin uniform bar that is initially at rest on a smooth horizontal table. The other end of the bar pivots about a nail driven into the table and can rotate freely, without friction.
A swimmer runs horizontally off a diving board with a speed of 3.58 m/s and hits the water a horizontal distance of 1.79 m from the end of the board. How high above the water was diving board.
A screen is placed 1.30 {rm m} behind a single slit. The central maximum in the resulting diffraction pattern on the screen is 1.70 {rm cm} wide-that is, two first-order diffraction minima are separated by 1.70 {rm cm}.
A copper wire has a total lenght of 28m. Half of the wire has a cross-sectional area of 6 mm^2, what is the current through this wire
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