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A particular airplane will reach liftoff at a speed of 120 km/h.
(a) What minimum constant acceleration does the airplane require for it to liftoff after a takeoff run of 280 m? (Enter the magnitude only.)
(b) How long does it take the airplane to reach liftoff speed?
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Assuming that the system is in equilibrium, estimate the ratio of concentration of K+ inside and outside the cell.
What is coefficient of friction between chair and floor
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