### What is magnitude of the speed of the boat

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##### Reference no: EM134643

Question1

A boat crosses a river of width 228 m in that the current has a uniform speed of 1.97 m/s. The pilot maintains a bearing (as in the direction in which the boat points) vertical to the river and a throttle setting to give a constant speed of 1.77 m/s relative to water.

What is the magnitude of the speed of the boat relative to a stationary shore observer?

Response in units of m/s

Question2

Chandra, NASA's X-ray observatory, orbits Earth in a highly eccentric orbit that goes ≈1/3 of distance to the moon. Because the orbit is highly eccentric, the semi-major axis is after that ≈1/6 of the Earth-Moon distance. What is Chandra's orbital time in lunar months?

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