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The buildup of plaque on the walls of an artery may decrease itsdiameter from 1.1 cm to 0.77 cm. The speedof blood flow was 17 cm/s before reachingthe region of plaque buildup.
(a) Find the speed of blood flow within the plaque region.
cm/s
(b) Find the pressure drop within the plaque region. (Assume thatblood has the same density as water.)
Pa
A square plate of copper with 35.0-cm sides has no net charge and is placed in a region of uniform electric field of 60.0 kN/C directed perpendicularly to the plate. find the total charge on the positive face of the plate
three point charges lie along a straight line as shown in the figure below where q1 5.76 microc q2 1.44 microc and q3
a man used enough energy to go from aardvark to beeville. on the first day he traveled 13 of the distance. on day two
An ant’s position is described as follows: r = (2t^3 - 6t^2) *i + (-3t^4 + 2t) *j a. What are the x- and y-components of the position at t = 0s? b. What are the x-and y-components of the velocity at t = 1s? c. What is the magnitude of the velocity at..
A 2.40 MHz sound wave travels through a pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward the sound receiver as the heart beats.
A solid cylinder with a radius of 25 cm and a mass of 4.4 kg is rotating counterclockwise with an angular speed of 0.5 revoultions per second just above a flat surface. What torque due to friction is exerted on the cylinder
A 2.20-kg block starts from rest at the top of a 30.0° incline and slides a distance of 2.10 m down the incline in 1.60 s. Find the friction force acting on the block
Cell Membranes and Dielectrics Many cells inthe body have a cell membrane whose inner and outer surfaces carryopposite charges, just like the plates of a parallel-platecapacitor. Suppose a typical cell membrane has a thickness of8.2×10−9 m, and it..
Light inside an optical fiber tube hits the wall between the tube and air and is totally internally reflected. what is the index of refraction of the tube
A glass lens has a convex surface with radius 25.0 cm and a concave surface with a radius of 50.0 cm. Calculate the focal length of this lens
an electron moving parallel to the x axis has an initial speed of 4.06 106 ms at the origin. its speed is reduced to
q1. a hot-air balloon is rising straight up with a speed of 1.83 ms. a ballast bag is released from rest relative to
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