Friction: Jason Takes Off from Rest Across Level Water on His

question 137

Multiple Choice

Friction: Jason takes off from rest across level water on his jet-powered skis. The combined mass of Jason and his 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 0.10. Unfortunately, the skis run out of fuel after only 48 s. What is Jason's top speed?

• A) 81 m/s
• B) 130 m/s
• C) 13 m/s
• D) 48 m/s

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