Q1 an airplane has a mass of 31000 kilos and takes off, Ask an Expert

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Q1. An airplane has a mass of 31000 kilos and takes off under influence of a constant net force of 37000 nektons'. What is the net force that acts on the plane's 78 kilo pilot? And if the plane could fly without this pilot, how much force would the plane require to maintain the equal acceleration?

Q2. A converging lens (f = 11.0 cm) is held 5.70 cm in front of a newspaper, the print size of which has a height of 1.90 mm. Find (a) image distance (in cm) and (b) height (in mm) of the magnified print.

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