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Suppose that blood flows through the aorta with a speed of0.28 m/s. The cross-sectional area of the aorta is 1.2 10-4m2.
(a) Find the volume flow rate of the blood.
m3/s
(b) The aorta branches into tens of thousands of capillaries whosetotal cross-sectional area is about 2.90 m2. What is theaverage blood\ speed through them?
m/s
A transverse wave on a string is described by the following equation, where x is in meters and t is in seconds. y = (0.130 m) sin ?(x/8 + 5t), What is its speed of propagation
A 2kg block initially hangs at rest at the end of two long strings of negligible mass as shown in the diagram below. a 150 g bullet, moving horizontally with some speed, strikes the block and appears from other side at speed of 350 m/s. after the ..
The position of a squirrel running in a park is given by : r=[(00.280 m/s)t+(0.0360 m/s^2)t^2]i+(0.0190 m/s^3)t^3j. At 4.20 , how far is the squirrel from its initial position
Two conductors having net charges of +18.0 µC and -18.0 µC have a potential difference of 18.0 V between them. (a) Determine the capacitance of the system. F (b) What is the potential difference between the two conductors if the charges on each are i..
Two capacitors C1 = 3.8 ?F, C2 = 17.8 ?F are charged individually to V1 = 14.4 V, V2 = 4.3 V. Calculate the final potential difference across the plates of the capacitors once they are connected
Object O1 is 15.0 cm to the left of a converging lens of 10.0-cm focal length. A second lens is positioned 10.0 cm to the right of the first lens, What is the focal length of the second lens
Consider a model thermodynamic system in which the allowed (nondegeerate) energy levels are 0, E, 2E, 3E. Determine how many macrostates are possible
Resistivity measurements on the leaves of corn plants are a good way to assess stress and overall health. What is the resistivity of the leaf tissue
A uniform electric field of magnitude 271 V/m is directed in the negative x direction. What was the change in the potential energy of this charge
q1. the breaking stress for a wire of radius r of given material is f nms square. afterwards find the breaking stress
Fortunately our environment radiates too. The human body absorbs this radiation with an absorbance of 97.0 percent, How much energy does our body lose in one second
The driver of a 1780 car traveling on a horizontal road at 108 suddenly applies the brakes. How many meters does the car travel before stopping
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