Speedboat a negotiates a curve whose radius is 150m., Ask an Expert

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Q1. If the barge can only be pushed 14.00 cm deeper into the water before the water overflows to sink it, how many 400 kg horses can it carry?

Q2. The radius of Earth is about 6.38 103 km. A 7.38 x 10^3 N spacecraft travels away from Earth. What is the weight of spacecraft at the following distances from Earth's surface?

Q3. Speedboat A negotiates a curve whose radius is 150m. Speedboat B negotiates the curve whose radius is 190m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats?

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Category:- Physics
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