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A fluid with viscosity n flows through a tube of radius R and length L. A second fluid with viscosity 4n flows through another tube of the same length. The same pressure difference exists across both tubes. What must be the radius of the second tube so that both fluids have the same volume flow rate? Give answer in terms of R.
The resultant displacement has a magnitude of 170 cm and is directed at an angle of 65.0° to the positive x axis. Find out the magnitude and direction of the second displacement.
Suppose a distant world with surface gravity of 5.28 m/s2 has an atmospheric pressure of 7.16 multiply.gif 104 Pa at the surface. Calculate the pressure at a depth of 10.0 m in the methane ocean
Moon effect. Some people believe that the Moon controls their activities. If the Moon moves from being directly on the opposite side of Earth from you to being directly overhead, by what percentage does (a) the Moon's gravitational pull on you inc..
A spacecraft is traveling with a velocity of v0x = 4330 m/s along the +x direction. Two engines are turned on for a time of 728 s. One engine gives the spacecraft an acceleration in the +x direction of ax = 1.74 m/s2.
A 3.2 m long pendulum is released from rest when the support string is at an angle of 23° with the vertical. What is the speed of the bob at the bottom of the swing
a very thin sheet of brass contains two thin parallel slits. when a laser beam shines on these slits at normal
In the Millikan oil-drop experiment, an electric field of 1.92 x105 N/C is maintained at balance across two platesseparated by 1.50 cm. Find the potential difference between the plates
Suppose you are accelerating at 3 m/s2. How far will you travel in this time and If you start from rest, how much time will it take to have a velocity of 96 m/s
when placed in a given uniform electric field a proton develops an acceleration of 5.00 1010 ms2 in the eastward
a 69 kg short track ice skater is racing at a speed of 11 m/s when he falls down and slides across the ice into a padded wall that brings him to rest. how much work is done by the all while stopping the ice skater
a child is in danger of drowning in the merimac river. the merimac river has a current of 3.1 kmhr to the east. the
A force of 20 N holds an ideal spring with a 1-N/m spring constant in compression. The potential energy stored in the spring is
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