A spherical balloon of volume 394 103 cm3 contains helium
A spherical balloon of volume 3.94 103 cm3 contains helium at a pressure of 1.15 105 Pa. How many moles of helium are in the balloon if the average kinetic energy of the helium atoms is 3.60 10-22 J?
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a ball of mass m traveling horizontally with velocity v strikes a massive vertical wall and rebounds back along its
a certain refrigerator is rated as being 33 as efficient as a carnot refrigerator to remove 107 j of heat from the
a spring lies on a horizontal table and the left end of the spring is attached to a wall the other end is connected to
a 054-kg block is hung from and stretches a spring that is attached to the ceiling a second block is attached to the
a spherical balloon of volume 394 103 cm3 contains helium at a pressure of 115 105 pa how many moles of helium are in
a 19-kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling the elastic
an unknown gas is introduced into the aforementioned apparatus using the same tuning fork and the first resonance
the length of a simple pendulum is 085 m and the mass of the particle the bob at the end of the cable is 029 kg the
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