Determining the focal length of the convex mirror
A candle is positioned 22.36 cm in front of the convex mirror. If the convex mirror is substituted with a plane mirror, the image moves 7.0 cm farther away from the mirror. Determine the focal length of the convex mirror.
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The near-point of an eye is 55 cm. The corrective lens is to be worn to let this eye to clearly focus on objects 25 cm in front of it. i) What must be the focal length of the lens? ii) Determine the power of the required corrective lens?
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Each and every engine extracts the similar amount of energy per cycle from the high-temperature reservoir. Rank the magnitudes of the work-done by the engines per cycle, maximum first.
A block of 2.00 kg is held in equilibrium on an incline of angle 60 degrees through a horizontal force F applied in the horizontal direction. When the coefficient of static friction among block and incline is 0.300, find out:
A pendulum is prepared by tying a 590 g ball to a 47.0 cm-long string. The pendulum is pulled 22.0^\circ to one side, then free. Determine the ball's speed at the lowest point of its trajectory? To what angle does the pendulum move to and fro on t
Employ work and energy to determine the suitcase's coefficient of kinetic friction on the floor.
Carol has 2400 feet of fencing to fence in the rectangular corral. Determine the expression which represents length and width of corral in terms of its width x.
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