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Determine the magnitude and direction of the anchoring force needed to hold the horizontal elbow and nozzle combination shown in Fig. P5.47 in place. Atmospheric pressure is 100 kPa(abs). The gage pressure at section
(1) is 100 kPa. At section
(2), the water exits to the atmosphere.
A block of mass 2.50 kg is pushed 2.20 m along a frictionlesshorizontal table by a constant 16.0 N force directed 25.0 degrees below the horizontal. Determine the work done by the applied force.
A full cylinder has an absolute pressure of 1.9 107 Pa when the temperature is 300 K. Find out the mass of oxygen in the cylinder.
At the equator the Earth's magnetic field has a direction horizontal with respect to the ground and toward the north with a magnitude of 5.0 x 10^-5 T. With what velocity (magnitude and direction) must an electron be fired
A particle with a charge of -2.50×10-8 C is moving with an instantaneous velocity of magnitude 40.0 km/s in the xy-plane at an angle of 50.0 degree counterclockwise from the +x axis. Find the magnitude of the force exerted on this particle
A thin spherical shell of radius 6.68 m has a total charge of 9.17 C distributed uniformly over its surface. Find the electric field 11.3 m from the center of the shell
Firing a cannonball at 20.0m/s so that the man on the top of the castle cannot catch it. What is the relationship of the initial and final velocities of the cannonball
We wish to coat a piece of glass (n=1.56) with a thin film (n=1.42) so that a maximum amount of light will be transmitted (no reflection). What is the minimum thickness of the film in nanometers
Two objects reflect light of 550nm. How far is your eye from the objects when they are at the limit of resolution according to the Rayleigh criterion?
Clifford is in a real hurry, however, and skips the speed ramp. Starting from rest with an acceleration of 0.49 m/s2, he covers the same distance as the ramp does, but in one-fourth the time. What is the speed at which belt of the ramp is moving.
an electron moving with a speed of 4.2 x 105 ms in the positive x direction experiences zero magnetic force. when it
A copper ball with a radius of 1.70 cm is heated until its diameter has increased by 0.160 mm. Assuming an initial temperature of 22.3°C, calculate the final temperature of the ball
The average speed of blood in the aorta (the main blood vesselcoming from the heart) is 0.300 m/s. The average radius of theaorta is 1.0 cm. The aorta branches into 2×109 capillaries(very small blood vessels) which each have an average radius of 6..
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