Physics, 03.07.2019 23:20 slimt69561
Apump lifts water from a lake to a large tank 20 m above the lake. how much work against gravity does the pump do as it transfers 5.0 m^3 if the density is ? =1000kg/m^3?
Answers: 2
Physics, 21.06.2019 23:30
Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?
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Orange juice has a lower or higher viscosity than chocolate syrup
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What is the energy of a photon of ultraviolet radiation with a frequency of 4.4 × 1015 hz? planck’s constant is 6.63 × 10–34
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Match these items. 1. coulombs __force 2. ohms __emf 3. centimeters __resistance 4. newtons __charge 5. volts __length
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Apump lifts water from a lake to a large tank 20 m above the lake. how much work against gravity doe...
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