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Q. If a four-engine jet accelerates down the runway at 5 m/s2 and three of the jet engines fail, how much acceleration will the other one produce?

Q. The maximum wavelength for which an electromagnetic wave can eject electrons from a platinum surface is 196 nm. When radiation with a wavelength of 151 shines on the surface, what is the speed of the ejected electrons.

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Category:- Physics
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