Physics, 18.01.2021 21:20 ellenweiklee8581
A small steel ball falls from rest through a distance of 3m. When calculating the time of fall, air resistance can be ignored because
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The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane
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Physics, 22.06.2019 21:40
Engines for propeller-driven aircraft are limited in their maximum rotational speed by the fact that the tip speed of the propeller must not approach the speed of sound in air (mach i). taking 6 ft as a typical diameter for a propeller of a light airplane and 1100 fils as the speed of sound, find the upper limit on the rpm (revolutions per minute) of the propeller shaft.
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Physics, 23.06.2019 02:10
The molecular mass of a gas is (select all that apply) a. independent of the type of gas b. the same number as the atomic (or molecular) mass, but measured in grams c. dependent on the temperature d. the mass of a mole of the gas
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Physics, 23.06.2019 08:30
Describe the work performed by a ski lift in terms of kinetic and gravitational potential energy
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A small steel ball falls from rest through a distance of 3m. When calculating the time of fall, air...
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