Water is pumped INTO a spherical tank of radius 2m from the bottom. The density

Question

Water is pumped INTO a spherical tank of radius 2m from the bottom. The density of water is 1000 kg/m3. How much work is needed to fill the tank to a level of h meters? A 100 kg anchor is attached to the bottom of a chain whose density is 15 kg/m. How much work is done in raising the chain from being fully extended, 100 meters up to the deck of the boat. (assume buoyancy has no effect) Calculate the arc length of y = 3x + 1 over the interval [0, 3]. First use integration, then check your answer using the distance formula.

Explanation / Answer

a) work done= density*volume occupied*g*H(C.O.M)

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