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A 2.3 L volume of ideal neon gas (monatomic) is at a pressure of 5.7 atmospheres and a temperature of 390 K. The atomic mass of neon is 20.2 g/mol. The number of neon atoms in the gas is closest to:
A football of mass0.420 kg is thrown 60 m by a quarterback who imparts to it an initial velocity at an angle of 45 degrees above the horizontal. what force does his hand exert on the ball
A thin flat plate is installed in a water tunnel as a splitter. The plate is 0.3 m long and 1 m wide. The free stream speed is 1.60 m/s. laminar boundary layers form on both sides of the plate. The boundary-layer velocity profile is approximated as p..
One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. estimate the diameter of the pinhole
Once free of this area, it speeds up to 13 m/s in 8 {rm s}. At the edge of town, driver again accelerates, with the same acceleration, for another 16 {rm s} to reach a higher cruising speed.
The mass of a string is 1.00 10-3 kg, and it is stretched so the tension in it is 120 N. What is the length of the string
assume you throw someone a ball, thereby transporting kinetic energy. Could you consider the motion of the ball to be a mechanical wave pulse.
What is the least thickness of a soap bubble film (n = 1.38) on which light of wave length 610nm shines, assuming one observes constructive interference of the reflected light.
An electron acquires 5.95×10?16J of kinetic energy when it is accelerated by an electric field from plate A to plate B
An AC power generator produces 50 A (rms) at 3600 V. The voltage is stepped up to 100 000 V by an ideal transformer and the energy transmitted throughout a long-distance power line with a total resistance of 100 Omega. What is the rms current in l..
What should be coefficient of static friction
A 5g bullet leaves the muzzle of a rifle with a speed of 320 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.81 m long barrel of rifle.
A 5.0 megawatt windmill has three 45 m-long blades that can be approximately viewed as straight rods. If the rotational speed of the rods is 6 rpm, what is the mass of each rod
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