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The masses of 1 mole of various gases are as follows: hydrogen about 2 grams, helium about 4 grams, nitrogen about 28 grams, oxygen about 32 grams and carbon dioxide about 44 grams. On the average how fast does a molecule of each gas move at 333 Celsius?
Blue light (450 nanometer) is diffracted through a double slit and the central fringe on a screen 1.2 meter away is 0.62 meter wide. Determine what is the slit spacing
A 25.0mH inductor is connected in series with a 50.0 ohms resistor, a 15.0 mH inductor and a 60.0 Hz 140.V rms source. Draw the reactance diagram for the circuit
You place 108 moles of hydrogen gas in a balloon of volume 2.3 m3, and find the pressure to be 1.6 times atmospheric pressure. What is the typical speed of a hydrogen molecule?
An engine pulls a train of 20 freight cars, each having a mass of 5.42 x 104 kg with a constant force. Ignoring friction, what is the force with which the tenth car pulls the eleventh one
A 12.0 N force with a fixed orientation does work on a particle as the particle moves through displacement d= (2.00i - 4.00j + 3.00k) m. What is the angle between the force and the displacement
A collimated beam of light whose wavelength is 495 nm falls on a screen containing a pair of long, Determine the spacing between the two third-order bright fringes
a a student hangs a mass of 150 g on a force table at an angle of 150deg. if she then hangs a mass of 220 g at 270deg
A roller-coaster car may be represented by a block of mass 50.0kg. Find an expression for the kinetic energy K of the car at the top of the loop
an electrically neutral model airplane is flying in a horizontal circle on a 2.0-m guideline which is nearly parallel
The sound intensity in front of a loudspeaker diaphragm vibrating at 2kHz is 4.3 W/m^2, with an acoustic power output of 0.3W. Calculate the diameter of the diaphragm. in cm
A string fixed at both ends is 8.81 m long and has a mass of 0.120 kg. It is subjected to a tension of 92.0 N and set oscillating. Give the frequency of that wave. What is the speed of the waves on the string?
the force constant of a spring is 135 nm.a find the magnitude of the force required to compress the spring by 4.20 cm
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