Physics, 01.10.2019 08:50, Elliewop

Momentum of a system is only conserved when

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Physics, 22.06.2019 00:30, Hellopeople233

Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?

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Physics, 22.06.2019 12:00, P4thing

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Physics, 22.06.2019 17:10, lesok0818

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up

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Momentum of a system is only conserved when...