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An incompressible fluid is flowing through a pipe with a constriction. The pipe is on an incline with an angle of 30.0 degrees. The narrow section is 10.0 m from the wide section and the narrow section is higher than the wide section. The velocity of the fluid in the wide section of the pipe is 4.00 m/s and the velocity of the fluid in the narrow section of pipe is 9.00 m/s. The pressure of the fluid in the wide section is 250 kPa. What is the pressure in the narrow section of the pipe? (density of the fluid is 998 kg/m3)
A high speed photograph of club hitting a golf ball is shown in the figure below. find the average force exerted on the ball by the club
A parallel-plate capacitor in air has a plate separation of 1.50 cm and area of 25.0 cm^2. find the charge on the plates before and after immersion
Laser light of intensity 1.5 W/m2, polarized so that its electric field vector makes an angle 45o with the x-axis, What would the intensity of the transmitted light be if the second transmission axis were perpendicular to the initial polarization
Two cars collide head on while each is traveling at 90. What is the temperature increase of each car
A centrifuge in a medical laboratory rotates at an angular speed of 3500 rev/min. When switched off, obtain the constant angular acceleration of the centrifuge
Struck from behind, a 950-kg stopped car accelerates from rest to 40km/h in 75 ms, What horizontal force on the head would accelerate it along with the rest of the body
The internal energy of a gas is 1000j. The gas is compressed adiabatically and it's volume deceases by 400cm^3. What is internal energy of gas
The loaded cab of an elevator has a mass of 1.7 x 103 kg and moves 239 m up the shaft in 19 s at constant speed. At what average rate does the force from the cable do work on the cab.
A series ac circuit contains a 230? resistor, a 13.0mH inductor, a 2.50?F capacitor, and an ac power source of voltage amplitude 45.0Voperating at an angular frequency of 360rad/s. Find the average power delivered to the entire circuit
A mass sitting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall. Find the value of the spring stiffness constant and mass
A planet can have an atmosphere if the escape speed of the planet is 6 times larger than the thermal speed of molecules in the atmosphere. What is the radius of this object's orbit around the sun
A train is traveling down a straight track at 29 m/s when the engineer applies the brakes, resulting in an acceleration of 1.0 m/s2 as long as the train is in motion. How far does the train move during a 58-s time interval starting at the instant ..
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