Physics, 27.12.2019 22:31, shellxavier1

What happens when light rays incident on a convex mirror run parallel to its principal axis?

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Physics, 22.06.2019 18:30, kennettahughley7964

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Physics, 23.06.2019 01:20, dontcareanyonemo

Afisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. it takes a time of 2.70 s for the boat to travel from its highest point to its lowest, a total distance of 0.700 m. the fisherman sees that the wave crests are spaced a horizontal distance of 6.50 m apart. a. how fast are the waves traveling? b. what is the amplitude a of each wave?