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PL HEL A rocket's engine generates 1.59 N of thrust at lift off. The rocket weighs 9.280 x 10^6 kg. What is the acceleration of the rocket at lift off?
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The intensity, or loudness, of a sound can be measured in decibels (db), according to the equation , where i is the intensity of a given sound and is the threshold of hearing intensity. what is the intensity, in decibels, [i(db)], when ? use a calculator. round to the nearest whole number. 8 9 19 80
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Modify the equation fฮดt=ฮด (mv) to find the force of friction.
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30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve
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Physics, 22.06.2019 10:30
The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.
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PL HEL
A rocket's engine generates 1.59 N of thrust at lift off. The rocket weighs 9.280 x 10^6 kg....
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