Calculate the magnitude of the force

Reference no: EM1349200

Q. Coherent light with wavelength 592 nm passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00 {rm m} from the slits. The first-order bright fringe is a distance of 4.84 {rm mm} from the center of the central bright fringe.

Q. A window washer pushes his scrub brush up a vertical window at constant speed by applying a force. The brush weighs 14.2 N and the coefficient of kinetic friction is 0.150.

Calculate the magnitude of the force .
Calculate the magnitude of the normal force exerted by the window on the brush.

Reference no: EM1349200

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Calculate the magnitude of the force : Coherent light with wavelength 592 nm passes through two very narrow slits, and interference pattern is observed on the screen a distance of 3.00 {rm m} from the slits. The first-order bright fringe is the distance of 4.84 {rm mm} from the center o..

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