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A 0.200-kg cube of ice (frozen water) is floating in glycerine. The gylcerine is in a tall cylinder that has inside radius 3.40 cm . The level of the glycerine is well below the top of the cylinder.
If the ice completely melts, by what distance does the height of liquid in the cylinder change?
A hot air ballo0n is ascending straight up at a constant speedof 7.0 m/s. When the balloon is 12.0 m above the ground, How far above ground level are these places
A rotational inertia for a driver in a pike position is about 15.5 kg*m^2; it is only 8.0 kg*m^2 in a tuck position. How many in a pike position
For a very simple model, consider a solid iron sphere 2.00 cm in radius. Assume the temperature is always uniform throughout its volume. Find the energy of one photon
How many electrons would have to be placed on the sphere to produce an electric field of magnitude 1.41 105 N/C at a point 8.60 cm from the center of the sphere
Compute the mass of a chlorine anion of charge 3.20 x 10-19 C if it follows a circular path of radius 0.862 cm after it has been accelerated during a potential difference of 250V and the exposed to a uniform magnetic field of strength 3.00 T
Find the electric field at the point (2.00,0). The electric field E = Kq/d2 where q is the charge of the source point, K is the Coulomb constant and has the value of K= 8.99 x10 9 N*m2/C2.
A 100uF capacitor is charged to a potential difference of 50 Volt. Find how much energy is stored
a diffraction grating with 210 lines per mm is used in an experiment to study the visible spectrum of a gas discharge
A jet engine emits sound uniformly in all directions, radiating an acoustic power of 2.91 × 105 W. calculate the corresponding sound intensity level
Accelerating charges radiate electromagnetic waves. Calculate the wavelength of radiation produced by a proton in a cyclotron with a radius of 0.500 m
A spring that has a force constant of 1050 N/m is mounted vertically on the ground. By what distance does the spring compress
An open-pit coal mine consumes 71hectares of land, down to a depth of 23m, each year. What volume of earth, in cubic kilometres, is separate in this time.
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