Physics, 21.10.2019 18:20 andresduenas72
Calculate the velocity a spherical raindrop would achieve falling (take downward as positive) from 4.2 km in the following situations.
(a) calculate the velocity in the absence of air drag.
(b) calculate the velocity with air drag. take the size across of the drop to be 4.8 mm, the density of air to be 1.17 kg/m3, the density of water to be 1000 kg/m3, the surface area to be πr2, and the drag coefficient to be 1.0.
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Physics, 22.06.2019 17:40
Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.
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Physics, 22.06.2019 20:30
This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.
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Calculate the velocity a spherical raindrop would achieve falling (take downward as positive) from 4...
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