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(a) If Argentinosaurus, a long-necked, gigantic sauropod, had a head height of 18 m and a heart height of 8.3 m, what (hydrostatic) gauge pressure in its blood was required at the heart such that the blood pressure at the brain was 80 torr (just enough to perfuse the brain with blood)? Assume the blood had a density of 1.06 103 kg/m3.torr
(b) What was the blood pressure (in torr or mm Hg) at the feet?
torr
You're carrying a 3.2-m-long, 25 pole to construction site when you decide to stop for a rest. You place one end of the pole on a fence post and hold the other end of the pole 35 from its tip. How much force must you exert to keep the pole motionl..
A 18.0 uF capacitor and a 5.40 mH inductor are connected in series with an open switch. The capacitor is initially charged to 6.50 uC. What is the angular frequency of the charge oscillations in the capacitor after the switch is closed?
Suppose you wish to lean a 3.00 m ladder against a smooth, vertical wall. The ladder's center of gravity is 2/3 of length from the top. If the coefficient of static friction between the ladder and the floor is 0.60, what is the largest angle ladde..
A disc of mass M and radius R is rolling purely without slipping with velocity V on a flat horizontal floor. When it hits a step in the floor of height R/2.what is the velocity of the center of mass of the disc just after impact.
A typical ten-pound car wheel has a moment of inertia of about 0.35kg?m2. What is the rotational kinetic energy K of the rotating wheel
To help prevent frost damage, fruit growers sometimes protect their crop by spraying it with water when overnight temperatures are expected to go below freezing. How much heat is released by the water when it freezes
At one instant, the center of mass of a system of two particles is located on the x-axis at x = 2.0 and has a velocity of (5.0 ). What is the velocity of the particle at the origin
Sheena can row a boat at 2.97 mi/h in still water. She needs to cross a river that is 1.24 mi wide with a current flowing at 1.67 mi/h. How long does it take her to cross the river
Analyze Trial Balance and indicate possible adjusting entries that might be necessary before an accurate set of financial statements could be prepared.
A circular loop of wire of radius 0.50 m is in a uniform magnetic field of 0.30 T. The current in the loop is 2.0 A. What is the magnetic torque when the plane of the loop is perpendicular to the magnetic field
Three charges are at the corners of an isosceles triangle, Calculate the amount of work required to assemble this system of charges, assuming they are brought in from infinity
A loudspeaker of mass 22 {rm kg} is suspended a distance of h = 1.60 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.30 {rm m}.
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