Physics, 02.08.2019 04:00 mikk33

Why do warehouse workers move heavy boxes around on carts with wheels?

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Physics, 22.06.2019 01:30, kaylin28

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

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Physics, 22.06.2019 05:00, DASASDAEDWEDA

Wavelength, frequency, and energy are related. what happens to a wave as it’s wavelength gets shorter?

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Physics, 22.06.2019 11:50, morenodonaldo762

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e

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Physics, 22.06.2019 15:30, puppy5209

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?