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A hypodermic syringe is attached to a needle that has an internal radius of 0.300 millimeter and a length of 3.02 centimeter. The needle is filled with a solution of viscosity 2.02 x 10-3 Pa •s; it is injected into a vein at a gauge pressure of 16.4 millimeter Hg. Neglect the extra pressure required to accelerate the fluid from the syringe into the entrance of the needle.
(a) Find what must the pressure of the fluid in the syringe be in order to inject the solution at a rate of 0.253 mL/s?
(b) Find what force must be applied to the plunger, which has an area of 1.02 cm2?
An electromagnetic plane wave at a certain location has an electric field pointed up which is given as a function of time as E = 54 V/m × sin (6x106 Hz × t). how much energy does the foil absorb
A 10kg block of ice is placed in a 0.01m^3 vat of boiling water to cool it. What is the final equilibrium temperature of the water
The drawing shows a point charge q = +0.58µC and two locations A and B. What is the electric potential differenceVB - VA between these two locations? Be sure to include the properalgebraic sign.
A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = ?28.0 cm). How far is the object from the converging lens
Suppose a 76 kg person hangs vertically from a nylon rope. What radius must the rope have if its fractional increase in length is to be the similar as that of the spider's thread.
Chameleons use their tongues to catch their prey. Their tongues typically accelerate at 250 m/s2 for up to 20 milliseconds, determine how far does the tongue reach
A military helicopter on a training mission is flying horizontally at a speed of 90.0m/s when it accidentally drops a bomb (fortunately, not armed) at an elevation of 390m. How far does it travel horizontally while falling
A hoist is powered by an electric motor that draws 4.82 kilowatts of electric power. How long will it take this hoist to lift a 2550 kg mass to the top of a 75.4 m high building
The greatest value ever achieved for the speed of sound in air is about 0.84 × 104 m/s, and the highest frequency ever produced is about 1.9×1010 Hz. Discover the wavelength of this wave. Answer in units of m.
A few decades ago, trucks had chains hanging down from ther back trailers that contacted the ground. This was extremely important in the case of gasoline trucks! Now trucks are made with conducting tires.
An object attached to a horizontal spring is oscillating back and forth along a frictionless surface. Determine how much time elapses between an instant when the object's speed is at a maximum and the next instant when its acceleration is at a maxi..
A man can row a boat at a speed of 7.45 km/h in still water. If he is crossing a river where the current is 2.00 km/h, find what direction should his boat be headed
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