Physics, 03.12.2020 01:30 depression4eternity
A 67.2-kg falling skydiver opens his parachute and instantly slows down at a rate of 7.20 m/s2. Determine the air resistance force on the skydiver (and accompanying parachute).
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Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.
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Each neuron shown in this figure innervates a group of muscle fibers. what is the term for a group of muscle fibers innervated by a single neuron?
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Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.
Answers: 2
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Refrigerant-134a flows through a carnot heat pump cycle at 0.5 kg/s. it is known that the maximum absolute temperature in the cycle is 1.1 times the minimum absolute temperature, and the net power input to the cycle is 2.5 kw. if the refrigerant changes from a saturated vapor to a saturated liquid during the heat rejection process, determine the maximum magnitude of the enthalpy of vaporization for this process in kj/kg (with 3 significant figures).
Answers: 3
A 67.2-kg falling skydiver opens his parachute and instantly slows down at a rate of 7.20 m/s2. Dete...
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