Physics, 24.02.2021 18:30 tamaraquirozmorales
Two forces P and Q acting perpendicularly to each other
have resultant of 50N. If P makes and angle of 30° with the
resultant, calculate the magnitude of Q.
Answers: 3
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Simple machines can a. increase force only b. decrease force only c. increase or decrease force
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Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?
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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
Two forces P and Q acting perpendicularly to each other
have resultant of 50N. If P makes and angle...
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