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JEE Advanced Physics 2017 Paper 1 #4 (#3) Pressure in Gas
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A flat plate is moving normal to its plane trough a gas under the action of a constant force F. The gas is kept at a very low pressure. The speed of the plate v is much less than the average speed u of the gas molecule. Which of the following options is/are true?
A) the pressure difference between the leading and trailing faces is proportional to uv.
B) the resistive force experienced by the plate is proportional to v.
C) the plate will continue to move with constant non-zero acceleration at all times.
D) At a later time the external force F balances the resistive force.
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