Physics, 08.10.2020 09:01 Naviascales7018
Cheri has a new Dodge Charger with a Hemi engine and has challenged Vince, who owns a tuned VW GTI, to a race at a local track. Vince knows that Cheri’s Charger is rated to go from 0 to 60 mph in 5.3 s, whereas his VW needs 7 s. Vince asks for a head start and Cheri agrees to give him exactly 1 s. (a) How far down the track is Vince before Cheri gets to start the race? (b) At what time does Cheri catch Vince? (c) How far away from the start are they when this happens? (Assume constant acceleration for each car during the race.)
Answers: 3
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An electron is trapped at a defect in a crystal. the defect may be modeled as a one-dimensional, rigid-walled box of width 1.00 nm. (a) sketch the wavefunctions and probability densities for the n 1 and n 2 states. (b) for the n 1 state, nd the probability of nding the electron between x1 0.15 nm and x2 0.35 nm, where x 0 is the left side of the box. (c) repeat (b) for the n 2 state. (d) calculate the energies in electron volts of the n 1 and n 2 states
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How is the acceleration of an object in uniform circular motion constant? a - in magnitude only b - in direction only c - in both magnitude and direction d - in magnitude, direction & orientation
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Cheri has a new Dodge Charger with a Hemi engine and has challenged Vince, who owns a tuned VW GTI,...
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