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A sample of helium behaves as an ideal gas as it is heated at fix pressure from 273 K to 353 K. If 25.0 Joule of work is done by the gas during this process, determine what is the mass of helium present?
mg
If you were to walk briefly in space without aspacesuit while far from the Sun (as an astronaut does in the movie2001), At what rate would you lose energy
A bicycle tire pump has a piston with area .44in.2. what pressure does this produce on the air in the pump
Two light sources are used in a photoelectric experiment to determine the work function for a particular metal surface. Based on this measurement, what is the work function for this metal
A white dwarf star has surface temperature 20 kK. Where is the Wien peak in this star s blackbody curve
A BB gun shoots pellets so that their velocity is given by v = (-5.00 107) t 2 + (2.80 105) t, Determine the length of time the pellet is accelerated
At an outdoor market, a bunch of bananas attached to the bottom of a vertical spring of force constant 16.0 N/m is set into oscillatory motion with an amplitude of 20.0 cm. What is the weight of the bananas in newtons
A ball is fired at an angle of 45 degrees from ground level in the absence of air resistance. If the maximum range is 27m then what is its inital speed and what is the time of flight
Find the work done by 2.96 moles of an ideal gas if its volume doubles at a constant temperature of 23.2°C
particle a of charge 4.00 10-4 c is at the origin particle b of charge -5.00 x 10-4 c is at 7.00 m 0 and particle c of
A 3.00 gram lead bullet is moving at 180. m/s andenters a bag of sand and stops. By what amount does the temperature of the bullet change if all its kinetic energy becomes thermal energy.
for safety reasons the speed of a child at the bottom of playground slide cannot exceed 6.0 m/s. What is the maximum height of the slide
1 you chose a an arbitary point to begin measuring the postion of the falling object. how fast was it going at the
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