Physics, 28.01.2021 23:00 itscheesycheedar

What have shock waves from erupting volcanoes been known to produce?

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Physics, 22.06.2019 06:00, ayoismeisalex

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

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Physics, 22.06.2019 08:00, jhanes1983

Ms. hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.

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Physics, 22.06.2019 09:50, blaqsafire9291

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

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Physics, 22.06.2019 13:40, mvongphakdy8746

Consider a double atwood machine constructed as follows: a mass 4m is suspended from a string that passes over a massless pulley on frictionless bearings. the other end of this string supports a second similar pulley, over which passes a second string supporting a mass of 3m at one end and m at the other. using two suitable generalized coordinates, set up the lagrangian and use the lagrange equations to find the acceleration of the mass 4m when the system is released. explain why the top pulley rotates even though it carries equal weights on each side.