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28 Nov 2020
(a) Determine the acceleration of a car in which the velocity changes from −10m/s−10m/s to −20m/s−20m/s in 4.0 s. (b) Determine the car’s acceleration if its velocity changes from −20m/s−20m/s to −18m/s−18m/s in 2.0 s. (c) Explain why the sign of the acceleration is different in (a) and (b).
(a) Determine the acceleration of a car in which the velocity changes from −10m/s−10m/s to −20m/s−20m/s in 4.0 s. (b) Determine the car’s acceleration if its velocity changes from −20m/s−20m/s to −18m/s−18m/s in 2.0 s. (c) Explain why the sign of the acceleration is different in (a) and (b).
5 Aug 2023
PriyankaLv10
22 Dec 2020
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