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A waterpipe of radius 0.02 m delivers water at a flow rate of 0.01m^3/ s^1 at 20 degrees C.
(a) What is the average velocity of the water?
(b) Is the flow laminar or turbulent?
(c) Is there enough Information to determine the maximum velocity of the water in the pipe?
A small metal particle passes downward through a fluid medium while being subjected to the attraction of a magnetic field such that its position is observed to be s = (15t3 - 3t) mm, where t is measured in seconds. Determine (a) the particle's dis..
Two long, parallel conductors carry currents I1 = 3.10 A and I2 = 5.10 A, both directed into the plane of the computer screen. Find out the magnitude and direction of the resultant magnetic field at a point midway between the wires. (b) Find out the ..
A parallel-plate capacitor having square plates 4.50cm on each side and 8.00mm apart is placed in series with an ac source of angular frequency 620rad/s, What is the resonance angular frequency of this circuit
The stone is whirled in a horizontal circle on a frictionless tabletop; the other end of the string remains fixed. Find out the maximum speed the stone can attain without breaking the string.
What capacitance must be used in this circuit if the time constant is to be 3.4 ms.
You are driving north on 107th Avenue at a speed of 28.7 mph. At what frequency do you year the siren
A coating is applied to a lens to minimize reflections. what wavelength is minimally reflected for normal incidence in the lowest order
An electron has a de Broglie wavelength ? = 7.0×10?10m, What voltage was needed to accelerate it to this speed and What is its speed
There is a beam that weighs 1500 kilograms and is twenty meters in length. It has a 15000 kilogram mass on the right side, five meters from the center of gravity. obtain the net tension of each brace that is holding up the beam on both sides.
A satellite is on a circular orbit of radius twice of that of Earth. If the Earth surface is considered to be a mirror, what is the speed of the image of the satellite
In a slow-pitch softball game, a 0.200 kg softball crossed the plate at 18.00 m/s at an angle of 45.0° below the horizontal. Determine the impulse delivered to the ball
A horizontal force of 213 N is exerted on a 1.90 kg discus as it rotates uniformly in a horizontal circle (at arm's length) of radius 1.60 m. determine the time for one revolution of the discus. Round the answer to 2 decimal places.
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