Physics, 01.08.2019 16:30 heavendl13
Asolar eclipse that occurs when the new moon is too far from earth to completely cover the sun can be either a partial solar eclipse or a(n) . 2. anyone looking from the night side of earth can, in principle, see a(n) . 3. during some lunar eclipses, the moon's appearance changes only slightly, because it passes only through the part of earth's shadow called the . 4. a(n) can occur only when the moon is new and has an angular size larger than the sun in the sky. 5. a partial lunar eclipse begins when the moon first touches earth's . 6. a point at which the moon crosses earth's orbital plane is called a(n) .
Answers: 1
Physics, 22.06.2019 02:30
The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?
Answers: 3
Physics, 22.06.2019 16:30
The air in an automobile tire with a volume of 2.60 ft3 is at 70°f and 21 psig. determine the amount of air that must be added to raise the pressure to the recommended value of 30 psig. assume the atmospheric pressure to be 14.6 psia and the temperature and the volume to remain constant. the gas constant of air is ru = 53.34ft⋅lbflbm⋅r(1 psia144 lbf/ft2) = 0.3704 psia⋅ft3lbm⋅r the amount of air that must be added to raise the pressure is lbm
Answers: 3
Physics, 22.06.2019 16:50
Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.
Answers: 3
Asolar eclipse that occurs when the new moon is too far from earth to completely cover the sun can b...
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