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A 2.0kg iron tea kettle sits on a 1.8kW stove burner. If it takes 5.1min to bring the kettle and the water in it from 33C to the boiling point, how much water is in the kettle?
Express your answer using two important figures.
A particle moves with velocity v' in the x'y' plane of the rocket frame in a direction that makes an angle phi' with the x'-axis. Discover the angle phi that the velocity vector of this particle makes with the x-axis of the laboratory frame.
The largest stable nucleus has a nucleon number of 209, and the smallest has a nucleon number of 1. what is the ratio (largest/smallest) of the surface areas of these spheres
If a visible photon by wavelength 434 nm is emitted from an atom in a hydrogen gas lamp, what energy state was the atom in before the photon was emitted? That is, what was the number for that state?
In the process of changing a flat tire, a motorist uses a hydraulicjack. She begins by applying a force of 45 N to the input piston,which has a radius r1. obtain the force that the output plunger applies to the car
A 35 microfarad capacitor is in series with a 250 ohm resistor and10V battery. Initally a switch in the circuit is open and the capcitor is uncharged. What is the current in the circuit immediately after the switchis closed?
concept simulation 25.2 illustrates the concepts pertinent to this problem. a 2.80-cm-high object is situated 14.6 cm
a star of mass 2.0 1031 kg that is 4.4 1020 m from the center of a galaxy revolves around that center once every 1.8 x
The left end of a long glass rod 6.00cm in diameter has a convex hemispherical surface 3.00cm in radius. obtain the refractive index of the liquid
A large fish hangs from a spring balance supported from the roof of an elevator. What will the balance read if the elevator cable breaks
Caught in an avalanche, a skier is fully submerged in flowing snow of density 113 kg/m3. What percentage of the gravitational force on the skier is offset by the buoyant force from the snow
Consider the expansion of 60.0 moles of a monatomic ideal gas along processes 1 and 2 in the figure below. In process 1 the gas is heated at constant volume from an initial pressure of Pi = 95 kPa to a final pressure of Pf = 190 kPa. In process 2 ..
A rock of mass 33 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 242 N. What is the magnitude of the acceleration of rock.
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