What is the ratio va/vb of the speeds of boats

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Q1. Military air to ground interdiction jets stationed in northern Africa could be required to support African Union missions from Sudan to Malawi. Having current topographic information is mandatory for mission success. The aircraft is connected to a fiber link to update the database just before take-off. The squadron commander has the mandate that the database update should be complete in less than one minute. If the topo database is 20 GB, and link is SONET, what is the minimum standard rate necessary?

Q2. Speedboat A negotiates the curve whose radius is 142 m. Speedboat B negotiates a curve whose radius is 220 m. Each boat experiences the similar centripetal acceleration. What is the ratio vA/vB of the speeds of boats?

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