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Physics, 27.09.2021 03:30 kkbrookly7496
Vật lí Đoàn tàu đang chuyển động với vận tốc 36km/h thì xuống dốc chuyển động thẳng nhanh dần đều với gia tốc a=0,1m/s² và đến cuối dốc vận tốc của nó đạt 72km/h
a, Tính thời gian tàu chuyển động trên dốc
b, Tính chiều dài của con dốc
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Vật lí Đoàn tàu đang chuyển động với vận tốc 36km/h thì xuống dốc chuyển động thẳng nhanh dần đều vớ...
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