Physics, 06.10.2021 03:30 TerronRice
Một đoàn tàu đang chạy với vận tốc 72km/h thì hãm phanh xe chuyển động chậm dần đều sau 5s thì dừng hẳn. Quảng đường mà tàu đi được từ lúc bắt đầu hãm phanh đến lúc dừng lại
Answers: 1
Physics, 21.06.2019 22:00
•• al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?
Answers: 3
Physics, 22.06.2019 10:00
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Physics, 22.06.2019 17:00
How much energy is supplied to each coulomb of charge that flows through a 12-v battery?
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Physics, 23.06.2019 02:30
Substances that assume the shape of their container, but do not have a definite size are called
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Một đoàn tàu đang chạy với vận tốc 72km/h thì hãm phanh xe chuyển động chậm dần đều sau 5s thì dừng...
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