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1) A laser beam in air is incident on a liquid at an angle of 39.0? with respect to the normal. The laser beam's angle in the liquid is 23.0? . What is the liquid's index of refraction?
nLiquid=________________.
2) An object is 22cm in front of a diverging lens with a focal length of 11cm.
A) Use ray tracing to determine the location of the image.
B) Is the image upright or inverted?
C) Is the image real or virtual?
If the balloon can barely lift an additional 2900N of passengers, breakfast, and champagne when the outside air density is 1.23kg/m3, FIND the average density of the heated gases in the envelope
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During the process, What is the tire pressure in pascals
A spring has k = 96 Nm. use a graph to determine the work needed to stretch it from x=3.8 cm to x=6.1cm, where x is the displacement from its unstretched length.
Two small nonconducting spheres have a total charge of 89.0?C , Q1
Levy flights- consider a random walk of N steps in one-dimension. suppose that the steps are completely uncorrelated, and that the distribution of step size a is given by phi(a)= k*1/(1+abs(a)^alpha).
An aeroplane has wings with a surface area of 34 m2. The shape of the wings are such that air moving over the top of them travels 20% faster than the velocity of the air under the wing, what is the take-off speed of the plane
As a particle moves from the origin to (1i + 7j) m, it is acted upon by a force given by (2i + 6j) N. Calculate the work done by this force on the particle
A boat is cruising in a straight line at a constant speed of 2.5 m/s when it is shifted to neutral. what was the boats acceleration while coasting
They then turn together around the spindle with their centers superposed. What is an angular frequency in of the combination.
what are the currents that the block can carry.
A magnifier used for reading small print is shaped like a hemisphere 2.0 cm in radius, placed on top of a cylinder of the same radius, Where does the image of the print appear to be
A uniform metal rod, with a mass of 3 {rm kg} and a length of 1.2 {rm m}, is attached to a wall by the hinge at its base. A horizontal wire bolted to the wall 0.51 m above the base of the rod holds the rod at an angle of 25{rm ^circ} above the hor..
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