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An incident ray with an angle of 60 degrees strikes a rectangular glass block. Given that the refractive index of glass if 1.5, calculate the angle of refraction.
The last piece has 4 times as much mass as each of the other pieces. Illustrate what is the magnitude of the velocity of the last piece?
a portable classroom is heated with small propane heating units with a capacity of 3 kw each. the portable classroom is
Explain how the earth’s geomagnetic field is created? Hint: be sure to include thedirection of the earth’s current. Why is Northern Canadabombarded by more intensecosmic radiation (solar wind) than Mexico is? Why do astronauts keep to altitudesbeneat..
Alpha decay is nuclear decay in which a helium nucleus is emitted. If the helium nucleus has a mass of 6.646 x 10-27 kg and is given 3.00 MeV of kinetic energy, what is its velocity
If a capacitor has opposite 5.3?C charges on the plates, and an electric field of 2.4kV/mm is desired between the plates, what must each plate's area be
A brick has a mass of 1.10 kg. What is the brick's weight at the surface of the Earth? A bucket of water weighs 48.2 N. What is the mass of the bucket and water?
a block of mass m1.665kg is floating stationary in a beaker of water. a string connected to the bottom of the beaker
A major leaguer hits a baseball so that it leaves the bat at a speed of 32.2m/s and at an angle of 35.2 degree above the horizontal. Calculate the horizontal component of the baseball's velocity
The larger molecule HI has a bond length of 160.92 pm (H=1, I=127). its bond's force constant is 314 N/m. what are the frequencies of light for that will excite the lowest energy rotational and vibrational translations
A 5.7 μF capacitor is charged with3.6×105 C. What potential difference exists across it
0.10mol of nitrogen gas follow the two processes shown in the figure(Figure 1) . How much heat is required for isothermal process? How much heat is required for adiabatic process?
The electric field in a region of space is oriented along the positive y axis. A circle of radius R is placed in xz-plane. The flux of the electric field by this circle is Φ. The same electric field passing through a second circle of radius 2R parall..
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