Physics, 22.03.2021 01:50 moneymaleia9264
Se ridică un corp cu greutatea de 500Kg, cu un scripete fix, iar apoi cu un scripete mobil. (2p) a. Reprezentaţi cele două situaţii indicînd sensul forţelor. b. Determinaţi forţa activă.
Answers: 2
Physics, 21.06.2019 18:00
According to the law of conservation of mass, in a chemical reaction the total starting mass of all the reactants equal the total final mass of all the products. true or false?
Answers: 1
Physics, 21.06.2019 22:40
Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod
Answers: 1
Physics, 23.06.2019 01:30
Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.
Answers: 2
Se ridică un corp cu greutatea de 500Kg, cu un scripete fix, iar apoi cu un scripete mobil. (2p) a....
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