Two speedboats can each travel at v= 5 m/s with respect to water. one boat crosses the
river o...
Two speedboats can each travel at v= 5 m/s with respect to water. one boat crosses the
river of the width l=1000 m by moving strictly perpendicular from point a to point b and
back. water flows at u=0.5 m/s as shown. the second boat is moving along the center of
the river from points c to d and back, distance s=1000 m. a) how the first boat should
move with respect to water in order to move from a to b? b) find times t1 and t2 needed
for each boat to complete the roundtrip.
Answers: 2
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Answers: 1
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Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?
Answers: 2
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