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120 gr of steam at 102 degree Celsius is pumped into a well insulated container holding 500 gr of H2O (water) at 35.0 degree Celsius.
a.) what will be the final temperature of the mixture?
b.) how much H2O and/or steam are we going to find in the container?
Assuming that all radiation is emitted at the wavelength of peak intensity, for a skin temperature of 34 degrees C and a surface area of 1.6 m2, how many photons per second does the body emit
The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3. Explain how high does the top of the ice block float above the water level?
A 0.51 kg mass vibrates according to the equation x = 0.43 cos 8.37t, where x is in meters, and t is in seconds. (a) Determine the amplitude. m (b) Determine the frequency. Hz (c) Determine the total energy. J (d) Determine the kinetic energy and pot..
a helium balloon floats at the end of a string. the lift force due to the helium on the balloon is 30 n. if the tension
An underwater scuba diver sees the Sun at an apparent angle of 28.0° from the vertical. What is actual direction of the Sun
A satellite is in a circular orbit about the earth (M = 5.98 x 1024kg). The period of the satellite is 3.44 x 104s. What is the speed at which the satellite travels?
Spacecraft A is being overtaken by spacecraft B that is traveling at 0.40c relative to spacecraft A. How far away is spacecraft A when the missile is fired according to spacecraft B
question1a certain elevator cab in a new york hotel has a total run of 178 m. its greatest speed is 251 mmin. its
The K-shell ionization energy of copper is 8979 eV. The L-shell ionization energy is 951 eV. Determine the wavelength of the Kα emission line of copper. What should be the minimum voltage be on an x-ray tube with a copper target in order to see the K..
A - 5.00 nC point charge is on the x axis at x = 1.20 m . A second point charge Q is on the x axis at -0.600m. a) What must be the sign and magnitude of Q for the resultant electric field at the origin to be 45.0N/C in the + x direction?
A horizontal wire of length 0.51 m, carrying a current of 7.8 A, is placed in a uniform external magnetic field. Determine the magnitude of the external magnetic field
Light from an argon laser strikes a diffraction grating that has 5310 grooves per centimeter. The central and first order principal maxima are separated by 0.488 m on a wall 1.72 m from the grating. Determine the wavelength of the laser light.
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