Physics, 02.11.2020 14:00 floihqrrigweo
Two motorcycles A and B are of equal mass and travel up a hill at constant speed. Motorcycle Amoves at twice the constant speed of B. Compared to the power developed by B, the powerdeveloped by A is? a. the same b. twice as great c. half as great d. 4 times as great
Answers: 3
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Ahollow metal sphere has 6 cm and 11 cm inner and outer radii, respectively. the surface charge density on the inside surface is −100nc/m2. the surface charge density on the exterior surface is:
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Player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. what is the horizontal velocity component of the ball to the nearest tenth of a m/s?
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If element x has 99 protons how many electrons does it have
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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.
Answers: 3
Two motorcycles A and B are of equal mass and travel up a hill at constant speed. Motorcycle Amoves...
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