Physics, 31.03.2020 21:15 weeblordd

Describe the term equalibrium and how it relates to charges

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Physics, 21.06.2019 22:50, Jasten

A23 kg log of wood begins from rest, 300 m up a sluice (a water track used to transport logs, think of it as an inclined plane with negligible friction) inclined at 20° to the horizontal. after it reaches the flat waterway at the bottom it collides elastically with a 100 kg block of wood initially at rest near the base of the incline. (a) how long does it take the 23 kg log to travel down the incline? (b) what is the speed of the 23 kg log at the bottom of the incline? (c) what are the velocities of both blocks of wood after the collision? (d) what is the total kinetic energy before the collision? (e) what is the kinetic energy of the 23 kg log after the collision? (f) what is the kinetic energy of the 100 kg block of wood after the collision? (g) what is the total kinetic energy after the collision? (h) compare the total initial and total final kinetic energies. is this consistent with what you would expect for elastic collisions? explain!

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Physics, 23.06.2019 01:30, harleycrider2251

Which statements did both aristotle and ptolemy assume? check all that apply.

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Physics, 23.06.2019 01:30, mrsfitz98

In general what determines whether atoms will form chemical bonds?

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Physics, 23.06.2019 03:30, diametriagay

Astudent pushes a 40-n block across the floor for a distance of 10 m. how much work was applied to move the block? a. 4 j b. 40 j c. 400 j d. 4000 j