Physics

what is true about a pseudoscientific
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F. A 50. A resistor (R2), and unknown resistor R2, a 120 Volt source, and an ammeter are connected in acomplete circuit. The ammeter reads 0.50 ampere (current).R1a. Determine the resistance of Rz.R2
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As dancers twirl faster and faster around their partners, they are demonstrating what type of energy?A. Binding energy,B. Nuclear energy,C. Kinetic energy,
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when you blow across the top of a soda bottle, it acts like a closed pipe. If the inside of the bottle is 0.150 m long, what is the fundamental frequency you hear?(speed of sound=343 m/s)(unit=hz)
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How do the particles in a Longitudinal Wave move?A) Parallel to the direction of the waveB) Perpendicular to the direction of the waveC) Particles do not moveD) The particle is the wave (wave packet)
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How the choice of building materials and techniques can help them cool down faster, after heating up.
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Plsss I want answer???
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When drawing a vector, you should represent the magnitude of the vector by the length of the arrow. A. True O B. False
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What us a magnetic domain?
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Physics gravity question, Please help
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Marcus found that the weight of a rock on Earth is 22.5 newtons. He knows that the gravity on Saturn is 0.93 times the gravity on Earth. What would the weight of this rock be on Saturn?
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What is 8 x 10-2 in ordinary form?
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If a car used 250,000 W of power to complete a race in 12 s, how much work did the car do?
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Are acceleration and mass proportional or inversely proportional values?
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In a mass spectrometer, a specific velocity can be selected from a distribution by injecting charged particles between a set of plates with a constant electric field between them and a magnetic field across them (perpendicular to the direction of particle travel). If the fields are tuned exactly right, only particles of a specific velocity will pass through this region undeflected. Consider such a velocity selector in a mass spectrometer with a 0.105 T magnetic field.Part (a) What electric field strength, in volts per meter, is needed to select a speed of 3.8 106 m/s?Part (b) What is the voltage, in kilovolts, between the plates if they are separated by 0.75 cm?
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Mickey had three substances. He hit each of them with a hammer. A redsubstance was malleable and easily flattened. A white crystal cracked but didnot break. A silver substance flattened but did not crack. Which twostatements could be true?A. The silver substance is a metal,B. The red substance is ionic,C. The silver substance is ionic.I D. The white substance is ionic.
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True or false? If two components are connected in series, the current through one component willalways be the same as the current through the other.
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As time goes on, the ENTROPY in a closed system should increase. This is because of which Law?A) Conservation of EnergyB) Conservation of MomentumC) 1st Law of ThermodynamicsD) 2nd Law of ThermodynamicsE) None of these
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Identify two technologies that can be used to find the locations of objects. Identify the type or types of waves eachtechnology uses.
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2 t of ferrous scrap at a temperature of 20 degrees is heated to the melting point and melted. How much to consume?
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A 12.0 V storage battery is connected to threeresistors, 4.75, 14.0 and 21.0, respectively. The resistors are joined in series.(a)Calculate the equivalent resistance.(b)What is the current in the circuit?Answer in units of A.
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Science Question: why do astronauts wear organge suits vs white suitsFollow answer please...
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Explain which components could be used to switch a heater and a light on in a hospital incubator
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Which of the following best describes the location of themantle?AAbove the crustBBetween the crust and the lithosphereBetween the crust and the coreDBeneath the core
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