Vật dao động điều hoà theo phương trình x=2cos(2pit) cm. Toạ độ của vật tại thời điểm t=10 là

Which composition of water moves to begin a deepwater current?

1which body contains the majority of the mass in the solar system earth jupiter the moon the sun 2 what keeps the objects in the solar system such as planets orbiting around the sun the force of gravity the galaxy exerts on all objects within it including the solar system the great distance between the sun and the planets the sun's nuclear fusion which acts on each object the gravitational force between the sun and each object in the solar system

How is the ideal mechanical advantage of a wheel and axle calculated?