Physics, 13.10.2019 08:00 AK4700

Which is greater: a force of 10n or a force of 5 lbs?

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Physics, 21.06.2019 21:30, canyonrico05

One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?

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Physics, 22.06.2019 00:30, torrejes241

In positive numbers less than 1, the zeros between the decimal point and non zero are significant

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Physics, 22.06.2019 09:30, ryanmorse01

The necleus of an atom is made up of what subatomic particles?

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Physics, 22.06.2019 10:20, studyowl9192

Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?