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A copper-bottomed kettle, its bottom 24 centimeter in diameter and 3.0 millimeter thick, sits on a burner. The kettle holds boiling water, and energy flows into the water from the kettle bottom at 800 W.
find the temperature of the bottom surface of the kettle?
(inoC)
A ballon contains 2 lbs of Helium at 70 degrees F, if the pressure of the ballon is 65 psia, what is the volume of the ballon in cubic feet
q1. a uniform solid ball rolls smoothly along a floor then up a ramp inclined at 20.4o. it momentarily stops while it
two converging lenses having focal lengths of 5.0 cm and 10.0 cm are located 21.0 cm apart. an object is placed 15.0 cm
A 1590 kg car starts from rest on a horizontal road and gains a speed of 61 km/h in 30 s (a) what is its kinetic energy at the end of the 30 s.
A wildlife biologist tracks an elk over flat terrain by following the emissions from a radio collar worn by the animal. If the elk travels 3.0km at an angle of 30 degrees East of North, followed by 2.0km at 40degrees West of North, and finally a 4..
How far above the aim is the point
Two equally charged particles, held 22.4 cm apart, are released from rest. The initial acceleration of the first particle is observed to be 4.0 m/s2 and that of the second particle is 6.0 m/s2. If the mass of the first particle is 3.40 x 10-7 kg, ..
A train is travelling up a 5 degree incline at a speed of 2.2 m/s while the last car breaks free and begins to coast without friction. a) How long does it take for the last car to come to rest momentarily? b) How far did last car travel before mom..
It is desired to cool iron parts from 500°F to 100°F by dropping them into water that isinitially at 65°F. how many kilograms of water areneeded per kilogram of iron
A ball is shot from level ground into the air. At a height of 9.1 m, its velocity is given by v=(7.6m/s) + (6.1m/s), What total horizontal distance can this ball travel
A parallel-plate capacitor in air has a plate separation of 1.42 cm and a plate area of 25.0 cm2. What is the change in energy of the capacitor
A tuning fork with a frequency of 320.0Hz and a tuning fork ofunknown frequency produce beats with a frequency of 4.5Hz. What is the frequency of the other tuning fork
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