Physics, 17.10.2021 17:30, mannablofey23
Một vật than gia đồng thời 2 dao động điều hòa cùng phương dừng tần số có phương trình lần lượt là : x1 =acos(..×t+π/3) ; x2=a√3coss(..×t+5π/6). Phương trình của dao động tổng hợp là?
Answers: 3
Physics, 22.06.2019 18:30, TheSpeedster
Two trains leave a station at the same time, train a travels at a constant speed of 16 m/s. train b starts at 8.0 m/s but accelerates constantly at 1.0 m/s squared. after 10.0 seconds, which train has the greater speed?
Answers: 1
Physics, 22.06.2019 19:30, jennysantoyo13
Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels. the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause, directly and indirectly, for such a rise in sea level is
Answers: 2
Physics, 22.06.2019 23:30, elizabethhubbe
Which statement correctly describes the interaction between magnetic poles? north and south poles attract each other. north and south poles repel each other. two north poles will attract each other. two south poles will attract each other.
Answers: 1
Một vật than gia đồng thời 2 dao động điều hòa cùng phương dừng tần số có phương trình lần lượt là :...
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