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The bottom of a steam kettle (made of steel) is 15mm thick and has an area of 0.15m^2. The water in the kettle is at 100 degrees Celsius.
Every five minutes, 0,75 kg water evaporates.
Determine the temperature of the surface of the steam kettle that is in contact with the stove.
A 5.10 g lead bullet traveling at 530 m/s is stopped with a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains by the bullet while the other half is transmitted to the tree, what is the increase in te..
The now-discontinued Concorde flew at Mach 1.3, which meant the speed of the plane was 1.3 times the speed of sound in air. What is the angle among the direction of propagation of the shockwave and the direction of the plane's velocity?
A point charge of 20nC is placed on the x-axis at the point x = 2. Find the x-component of the electric field Ex at x = 4 and x = -1 where the coordinates are in meters
what is the maximum amount of electric charge per unit length that can be placed on a long and straight human hair of
A person takes a trip, driving with a constant speed of 95.5 km/h, except for a 24.0-min rest stop. The person's average speed is 65.4 km/h. How far does the person travel
A annular disk (a disk with a hole in it) has an inside radius a and an outside radius b and a uniform surface charge density sigma. What is the potential at a point a perpendicular distance z-naught from the center?
A ray of light has an incident angle of 30.1 on a block of quartz and an angle of refraction of 20.4. what is the index of refraction for this block of quartz
What is the minimum work needed to push a 950kg car 810m upalong a 9.0 degree incline
A concave mirror of radius of curvature 24 centimeter forms an image such that di = -2do. Evaluate what is the image magnification
A film of oil lies on wet pavement. The refractive index of the oil surpasses that of the water. The film has the minimum nonzero thickness such that it appears dark due to destructive interference when viewed in red light (wavelength = 660 nm in v..
The drawing below shows an inverted "A" that is suspended from the ceiling by two vertical ropes. Each leg of the "A" has alengh of 2L and a weight of 120.0 N. The horizantal crossbar has a negligible weight. Find the force that the crossbar applies ..
An electric fan is running on HIGH. After the LOW button is pressed, the angular speed of the fan decreases to 85.0 rad/s in 1.76 s. Determine the initial angular speed of the fan
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