Physics, 04.10.2019 22:30 Tcareyoliver
The acceleration of a particle as it moves along a straight line is given by a (2t 1) m/s2, where t is in seconds. suppose that s7 m and v 8 m/s when t0 part a determine the particle's velocity when t6 s express your answer to three significant figures and include the appropriate units.
Answers: 2
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Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?
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An object with initial temperature 130 ∘ f is submerged in large tank of water whose temperature is 50 ∘ f . find a formula for f ( t ) , the temperature of the object after t minutes, if the cooling constant is k = − 0.2 . remember newton's law of cooling (the rate of change of temperature with respect to time is equal to k times the difference between the temperature of the object and the surrounding temperature) ! : )
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The acceleration of a particle as it moves along a straight line is given by a (2t 1) m/s2, where t...
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