Physics, 23.10.2021 14:00 willveloz4
từ đỉnh tháp nghiêng pida người ta thả rơi một quả đạn pháo rơi tự do thì 4s sau nghe thấy tiếng nổ. Biết khi chạm đất quả đạn pháo mới nổ và vận tốc truyền âm thanh trong không khí là 330 m/s. Lấy g=10m/s2. Tìm độ cao của tháp
Answers: 3
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If you were on a jury, do you think you would expect individual characteristics in the evidence? why or why not? what effects might it have if individuals expect to have individuals characteristics presented? this question is for forensic science
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In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong
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Acar moves at 12m/s and coasts up a hill with a uniform acceleration of -1.6m/s2. how far has it traveled after 6.0s?
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Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.
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từ đỉnh tháp nghiêng pida người ta thả rơi một quả đạn pháo rơi tự do thì 4s sau nghe thấy tiếng nổ....
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