Physics, 19.09.2019 00:30, omojay1257

Aparticle that is moving along a straight line accelerates from 40 cm/s to 20 cm/s in 5.0 s and then has a constant acceleration of 20 cm/s^2 during the next 4.0 s. the average speed over the entire time interval is

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Aparticle that is moving along a straight line accelerates from 40 cm/s to 20 cm/s in 5.0 s and then...