Physics, 17.09.2019 15:30, toyaluv2013

What must happen to the electrons in a material to create an electric current?

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Physics, 21.06.2019 19:30, krudmagreaner

Aparticle travels in a circular orbit of radius 21 m. its speed is changing at a rate of 23.1 m/s2 at an instant when its speed is 37.2 m/s. what is the magnitude of the acceleration (in m/s? ) of the particle?

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Physics, 21.06.2019 23:30, EstevanOtero7361

Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work

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Physics, 22.06.2019 03:40, darkdragon67

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

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Physics, 22.06.2019 10:00, sofiaisabelaguozdpez

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?