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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 (as measured along the pipe) 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? (the density of the fluid is 1000 kg/m3).
A rotating cylinder about 25 km long and 9 km in diameter is designed to be used as a space colony. with what angular speed must it rotate so that residents on it would experience the same acceleration due to gravity as on earth? In radians per se..
Two forces act on a 100-kg block resting on the floor. The first force, pointing parallel to the floor, What is the magnitude of the net force on the block
A cord of length 1.5 m is fixed at both ends. Its mass per unit length is 1.2 g/m and the tension is 12 N. Calculate the frequency of the fundamental oscillation
A rocket of total mass 3180-kg is travelling in outer space with a velocity of 115 m/s toward the Sun.
A 38.8-cm diameter disk rotates with a constant angular acceleration of 2.60 rad/s2. It starts from rest at t = 0, and the line drawn from the center of the disk to the point P on the rim of the disk makes an angle of 57.3° with the positive x-axis a..
Runner A is initially 8.6 km west of a flagpole and is running with a constant velocity of 5.2 km/h due east. What will be the distance of the two runners from the flagpole
A 3.00 kg mass resting on a level table top is pulled along by a horizontal force of 16 N and accelerates at 4.00 meters per second per second. What is the force of friction between block and table.
An old-style TV set places 50 kV across two plates of a parallel plate capacitor. What is the speed of the electron when it exits the hole in the plate
How do I calculate final velocity of a planet moving around a star? The things I know are the positions of star/planet initial V of the planet, Final velocity of the planet after the force of the sun has acted on it
Protons are projected with an initial velocity v0 = 10360 m/s into a region where a uniform electric field E = 670 N/C is present. The protons are to hit a target that lies a horizontal distance of 1.27 mm from the point where protons are launched..
An L-C circuit containing an 80.0-mH inductor and a 1.55-nF capacitor oscillates with a maximum current of 0.750A. Calculate the oscillation frequency of the circuit
An aircraft with a mass of 956 kg accelerates from 0 to 92 m/s in 6.7 seconds, What is the kinetic energy of the aircraft when the aircraft launches
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