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A bottle of saline solution (with a specific gravity of 1.02) is attached to a 1.2 m long piece of tubing with a 1.0 cm inner diameter. If the tubing is held vertically, filled with saline, and clamped at the bottom, (a) what is the gauge pressure at the bottom of the tube and (b) what would be the initial efflux velocity of the saline if the clamp were released? (Take the height of the saline solution in the bottle to be 10 cm).
An electron of kinetic energy 35 keV moves in a circular orbit perpendicular to a magnetic field of 0.390 T. Find the radius of the orbit
one ball of mass 575 g traveling 3.50 m/s to the right collides with another ball of mass 425 g that is intially at rest. what is the velocity of the heavier ball
Two ice-skaters, whose masses are 45 kg and 75 kg, hold hands and rotate about a vertical axis that passes between them, Find the angular momentum of the system about it's center of mass
A positively charged particle of mass 6.80 10-8 kg is traveling due east with a speed of 25 m/s and enters a 0.32-T uniform magnetic field. What is the magnitude of the magnetic force acting on the particle
Light with a wavelength of 634 nm passes through a slit 7.68 µm wide and falls on a screen 1.85 m away. Find the linear distance on the screen from the central bright fringe to the second dark fringe on either side. cm
The efficiency of a Carnot engine is 27%. The engine absorbs 795 J of heat per cycle from a hot reservoir at 499 K. Determine the heat expelled per cycle and the temperature of the cold reservoir.
An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and slows it down. If the asteroid slows down over a distance of 1.3× 106 m determine the magnitude of the force
Carbon disulfide (n= 1.63) is poured into a container made of fused quartz (n= 1.46). What is the critical angle for internal reflection of a ray in the liquid
The index of refraction for a certain kind of glass is 1.648 for violet light and 1.619 for red light. find the difference between the angles of incidence of the two rays
A newly discovered planet has a mean radius of 7380 km. A vehicle on the planet\'s surface is moving in the same direction as the planet\'s rotation, what is the period of the planet\'s rotation
find at least five internet or magazine articlesadvertisements which depict an exercise or health myth. why do you
In the above animation a massive block is attached to a spring. It is sliding back and forth on a frictionless table. The spring has a spring constant 250 N/m. Determine the mass of the block
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