Jason Takes Off Across Level Water on His Jet-Powered Skis

question 48

Multiple Choice

Jason takes off across level water on his jet-powered skis.The combined mass of Jason and skis is 75 kg (the mass of the fuel is negligible) .The skis have a thrust of 200 N and a coefficient of kinetic friction on water of 0.1.Unfortunately,the skis run out of fuel after only 90 s.What is Jason's top speed?

• A)150 m/s
• B)240 m/s
• C)24 m/s
• D)90 m/s

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Definitions:

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