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The mean free path of nitrogen molecules at 10°C and 1.6 atmis 0.293 x 10-5cm. At this temperature and pressure there are 4.15 x 1019molecules/cm3. What is the molecular diameter?
Ultraviolet light of wavelength 218 nm shines on a zinc surface. If the workfunction of zinc is 4.3 ev, what is the maximum kinetic energya photo electron can have
A bowling ball weighing 71.2{\rm N} is attached to the ceiling by a 3.70{\rm m} rope. find the tension in the rope
A simple circuit consists of a light bulb connected to the terminals of a battery. Determine the resistance and power of the bulb
what is the equation for gravitational potential energy?what is the equation for kinetic energy?define conservation of
A cube with a side of 25.00 cm is immersed in a fluid. Knowing that the pressure at the top surface of the box is 109.4 kPa, find the density of the fluid
q1. a spaceship travels with a constant speed of 0.3c as it passes by the earth on its way to a distant star.a. the
Suppose you are planning a trip in which a spacecraft is to travel at a constant velocity for exactly eleven months, as measured by a clock on board the spacecraft, how fast must you travel
A Beryllium nucleus consists of 4 protons and 5 neutrons. What is the potenial at one of the corners due to the other 3 charges
A chain of movie theaters is decorated with light fixtures that when the white light passes through a transparent plate, it becomes yellow light. What color is the light reflected from the plate
A ladder 6.10 m long leans against the side of a building. If the ladder is inclined at an angle of 76° to the horizontal, what is the horizontal distance from the bottom of ladder to the building.
A proton and an electron are moving due east in a constant electric field that also points due east, Determine the magnitude of the acceleration of the proton and the electron
A solid uniform 38.9kg ball of diameter 36.2cm is supported against a vertical frictionless wall using a thin 30.0cm wire of negligible mass. how hard does the ball push against the wall
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