10с 2. What is the velocity ratio of an inclined
plane inclined at an angle of 30° to the
D.
23
vertical? AZ Bc
sible for the conduction of
3
2018 S
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The heliocentric and the geocentric models of the solar system included these central principles

Which symbol in the first law of thermodynamics represents the sum of the chemical and thermal energy stored in atoms and molecules? a. q b.w c.v d.u

The illuminance of a surface varies inversely with the square of its distance from the light source. if the illuminance of a surface is 120 lumens per square meter when its distance from a certain light source is 6 meters, by how many meters should the distance of the surface from the source be increased to reduce its illuminance to 30 lumens per square meter?