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Physics, 04.08.2019 00:30 alexsysantiago54
Light-rail passenger trains that provide transportation within andchameleons catch insects with their tongues, which they can rapidly extend to great lengths. in a typical strike, the chameleon's tongue accelerates at a remarkable 290 m/s2 for 20 ms, then travels at constant speed for another 30 ms. you may want to review (pages 46 - 49) . part a during this total time of 50 ms, 1/20 of a second, how far does the tongue reach? between cities speed up and slow down with a nearly constant (and quite modest) acceleration. a train travels through a congested part of town at 5.0 m/s . once free of this area, it speeds up to 14 m/s in 8.0 s. at the edge of town, the driver again accelerates, with the same acceleration, for another 16 s to reach a higher cruising speed. you may want to review (pages 42 - 45) . part a what is the final speed?
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