Physics, 19.09.2019 16:10, aahneise02
Acommuter train travels between two downtown stations. because the stations are only 1.48 km apart, the train never reaches its maximum possible cruising speed. during rush hour the engineer minimizes the travel interval δt between the two stations by accelerating for a time interval δt1 at a1 = 0.100 m/s2 and then immediately braking with acceleration a2 = -0.510 m/s2 for a time interval δt2. find the minimum time interval of travel δt and the time interval δt1.
Answers: 1
Physics, 22.06.2019 07:30, elijahjacksonrp6z2o7
Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?
Answers: 1
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