A hydrogen molecule with an initial velocity of 1200m s, Ask an Expert

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Q1. A hydrogen molecule with an initial velocity of 1200m / s makes a collision with a molecule of oxygen at rest. The reason for the masses of molecules is mO / mH = 16. What are the speeds of the molecules after collision?

Q2. A Cessna aircraft has a lift-off speed of 120km/h.

(a) What minimum constant acceleration does this need if the aircraft is to be airborne after a takeoff run of 250m?

(b) How long does it take the aircraft to become airborne?

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Category:- Physics
Reference No.:- M9172904

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