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A spherical bubble of air is introduced into a vein in the ankle. The diameter of this bubble is 0.5 mm. As the bubble returns with the blood stream toward the heart, the pressure in the blood decreases due to the decreasing height of the column of blood above it. If the pressure in the ankle is 2.77 x 105 dyn/cm2, what is the diameter of the bubble after it has risen 1.4 m?
Assume that the density of blood is 1.05 g/cm3 and that the only reason the pressure changes is due to the weight of the blood.
The Bragg angle for a certain reflection from a powder specimen of copper is 47.75º at a temperature of 293 K and 46.60º at 1273 K. Find the coefficient of linear expansion of copper
the normal human eye has maximum visual acuity with a pupil size of about 3 mm. for larger pupils acuity decreases due
an average-sized man is sitting in a big tanning room. the tanning radiation from the room walls is controlled by
A uniform electric field points midway between the positive x and y axies. Its strength is 100Volts/m. A -50nC charge is placed at the position ( 2m, 3m ) and fixed in place. What are the components of the total electric field at the location (..
a) What power contact lens should an optometrist prescribe to move the myopic far point out to infinity. b) with this correction, can Brian also read a book held at the normal near point, 25 cm from his eye.
q1. two people are carrying a uniform wooden board that is 3.00 m long and weighs 160 n. if one person applies an
a 1150 kg car rolling on a horizontal surface has speed v 50 kmh when it strikes a horizontal coiled spring and is
Approximately how many volts above the threshold voltage is the normal operating voltage of the Geiger tube, and why is the operating voltage selected this way?
Consider a solid sphere of radius 15 cm, at a temperature of 68 degrees Celsius. What is the power radiated (in watts) by the sphere
You do a physics lab experiment on another planet. A small block is released from rest at the top of a long frictionless ramp that is inclined at an angle of 36.9° above the horizontal, What is the value of g
a proton m 1.67 times 10-27 kg q e is sent from far away and impinge directly on a zirconium nucleus q 40e. the
If a 68.3 kg person were travelling at 0.960c (where c is the speed of light), what would be the ratio of the person's actual kinetic energy to the person's classical kinetic energy
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