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  3. 1) a tank is full of water. find the work w requir

1) A tank is full of water. Find the work W required to pump the water...

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Basic Math

1) A tank is full of water. Find the work W required topump the water out of the spout. (Use 9.8 m/s2 forg. Use 1000 kg/m3 as the weight density ofwater. Assume that a = 4 m, b = 4 m, c =12 m,and d = 1 m.)
W = ___ J

I got 5017600 then in scientific notation it would be 5.0176 X10^6, then in Juls in would be 5.02?

I got the answer wrong an would like to know how you do thisproblem?

2. Suppose that 5 J of work is needed to stretch a spring fromits natural length of 32 cm to a length of 44 cm.

(a) How much work is needed to stretch the spring from 40 cm to42 cm? (Round your answer to two decimal places.)
1.25 J

(b) How far beyond its natural length will a force of 40 N keep thespring stretched? (Round your answer one decimal place.)
?  cm

for B I got 11.52, did I do something wrong?

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