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(A) The body of a man whose weight is 690 N contains about 5.2 x 10-3 m3 of blood. If the
density of blood is 1,060 kgfm3, Calculate:
a. The hlood‘s weight.
b. What percent of the man’s body weight, accounts for his blood? (B) A mechanic exerts 45 .0 lbs of force on the small piston of a hydraulic jack. The diameter of
the small piston is 1.50in and the diameter of the large piston is 6.00in. Calculate:
a. How much weight, in pounds, the large piston can support.
h. The mechanical advantage. (C) A Lucite cube has a mass of 142.5 g and a width of 4.9 cm. Determine its density in kgfm3.

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( A ) F
3, man = 690 N
: 5.2 x 10 m
: 1060 kg /m 3
( a ) m
blood = CV
Je blood
= (5. 2 x 103 m3) (1060 kg/m3)
= 5. 512 kg
Converting to weight
3, blood
= m
= (5....

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