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Physics, 03.03.2021 17:40 maxellodom5
विद्युत वस्त्रोत
ORSA
कोई विद्युत मोटर 3 २००
के
विद्युत
धारा लेता है मोटर की शक्ति तथा उ घटे में मीटर
द्वारा प्रयोग की गई कार्ग जात कीजिए,
Answers: 3
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Aspecial electronic sensor is embedded in the seat of a car that takes riders around a circular loop-the-loop ride at an amusement park. the sensor measures the magnitude of the normal force that the seat exerts on a rider. the loop-the-loop ride is in the vertical plane and its radius is 23 m. sitting on the seat before the ride starts, a rider is level and stationary, and the electronic sensor reads 740 n. at the top of the loop, the rider is upside down and moving, and the sensor reads 370 n. what is the speed of the rider at the top of the loop?
Answers: 1
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6–55 refrigerant-134a enters the condenser of a residential heat pump at 800 kpa and 358c at a rate of 0.018 kg/s and leaves at 800 kpa as a saturated liquid. if the compressor consumes 1.2 kw of power, determine (a) the cop of the heat pump and (b) the rate of heat absorption from the outside air.
Answers: 2
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Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?
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The ability to make things happen is also called a. heat b. force c. matter d. energy
Answers: 1
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