Question

state the equations of motion for (a) velocity-time relation (b) position time relation (c) position velocity relation​

Answer 1

1) velocity time relation : v = u + at

2) position time relation : s = ut + 1/2 at^2

3) position velocity relation : v^2 - u^2

Answer 2

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The collision of the particles with the walls of the vessels give rise to the pressure of the gas.