Physics, 18.07.2019 12:40 jocko1224

Which statement about ammeters and voltmeters is true?

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Physics, 22.06.2019 01:40, onegirl435

Lin yao looks at the back of a spoon. how should she describe her reflection? upside down and smaller upside down and larger right-side up and smaller right-side up and larger

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Physics, 22.06.2019 12:50, starr3971

Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.

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Physics, 22.06.2019 14:30, 21schraderlily

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader

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Physics, 22.06.2019 16:50, JeroMii

Two loudspeakers, 5.5 m apart and facing each other, play identical sounds of the same frequency. you stand halfway between them, where there is a maximum of sound intensity. moving from this point toward one of the speakers, you encounter a minimum of sound intensity when you have moved 0.33 m . assume the speed of sound is 340 m/s. part a) what is the frequency of the sound? part b) if the frequency is then increased while you remain 0.21 m from the center, what is the first frequency for which that location will be a maximum of sound intensity? express your answer to two significant figures and include the appropriate units.