Asked by Ba'ala
1) Blood is pumped from the heart at a rate
of 5.0 L/min into the aorta (of radius 1.0
cm). Determine the speed of blood through
the aorta.
2)a bullet of mass 0.05kg is fired with a velocity of 200m/s into a lead block of 0.9kg. Given that the lead block can move freely, the final kinetic energy after impact is?.
of 5.0 L/min into the aorta (of radius 1.0
cm). Determine the speed of blood through
the aorta.
2)a bullet of mass 0.05kg is fired with a velocity of 200m/s into a lead block of 0.9kg. Given that the lead block can move freely, the final kinetic energy after impact is?.
Answers
Answered by
R_scott
1) (5000 cm^3 / min) / (aorta cross sectional area)
2) momentum is conserved
(velocity B+b) * (mass B+b) = (velocity b) * (mass b)
final K.E. ... 1/2 (mass B+b) * (velocity B+b)^2
2) momentum is conserved
(velocity B+b) * (mass B+b) = (velocity b) * (mass b)
final K.E. ... 1/2 (mass B+b) * (velocity B+b)^2
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