You have an aquarium which holds 9.45 gallons of water and you would like to place it on an antique stand. Before placing the aquarium on the stand, as a precaution, you decide to determine the weight of the water in the aquarium. Determine the weight of water you will be placing in the aquarium.

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A: Initial wave speed, v=80 m/sec

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Q: A boat is stationary at 12 meters away from a dock.

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Q: velocity =−12i + 21.5j m/s, how fast is it moving?

A: The velocity of an object is   V=-12 i+21.5 j  m/s