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A tank of water sits at the edge of a table of height 0.9 meter. The tank springs a very small leak at its bottom, and water sprays out a distance of 2.2 meter from the edge of the table. Determine the water level h in the tank? (Suppose the tank is open to the air at the top.)
Unpolarized light of intensity I0 is incident on three polarizing filters. The axis of the first is vertical, What light intensity emerges from the third filter
a swift moving hawk is moving due west with a speed of 30 ms 5.0 s later it is moving due north with a speed of 20 ms.
a spaceship of mass 2.10times106 is cruising at a speed of 4.80times106 when the antimatter reactor fails blowing the
A 265.0 kg block of ice at 0o C is placed in a large lake. The temperature of the lake is just slightly higher than 0o C, and the ice melts. What is the entropy change of the lake
A converging lens of focal length 8.020 cm is 20.3 cm to the left of a diverging lens of focal length -6.47 cm. Find the magnification of the coin's final image
Infrared light of wavelength 2.5micrometers illuminates a 0.20-mm-diameter hole. What is the angle of the first dark fringe in radians
It is common to see birds of prey rising upward on thermals. The paths they take may be spiral-like. You can model the spiral motion as uniform circular motion combined with a constant upward velocity. Assume a bird completes a circle of radius 6...
An artificial satellite circles Earth in a circular orbit at a location where the acceleration due to gravity is 9.00 m/s2. Determine the orbital period of the satellite
A man is pushing a box from behind with a constant net forceF-130N parallel to the ground on the level floor, moving it to adistance of 43m. Calculate the acceleration of the box
Two conductors having net charges of+20.0µCand-20.0µC have a potential difference of20.0V between them. Determine the capacitance of the system.
q1. all through its evolution a star of 1 solar mass the mass of our sun expands to 3.33 times its original radius.
A 5.00 kg ball, moving to the right at a velocity of +2.00 m/s on afriction less table, collides head-onwith a 7.50 kg ball moving with a velocity of -1.00 m/s. Find the final velocities of the ball if the collision is a) elastic, and b) completel..
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