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A 23.2-mW laser beam of diameter 2.18 mm is reflected at normal incidence by a perfectly reflecting mirror. Calculate the radiation pressure on the mirror. answer sgould be in N/m^2.
imagine someone drops an apple from a vertical distance.
Three concentric, thin, long conducting cylindrical shells have radii of 3.00 mm, 5.00 mm, and 6.00 mm, Find the capacitance per unit length of this configuration
If a car traveling at 66 km/h will skid 22 m when its brakes lock, how far would it skid if it is traveling at 120 km/h when its brakes lock.
It's possible to use the ideal-gas law to show that the density of the earth's atmosphere decreases exponentially with height, Determine the value of z0
A 4.5kg ball with a velocity of 4.0m/s in the+x-direction collides head-on elastically with a stationary 1.8kg ball. What is the speed of the first ball after the collision
Using a theodolite, with a laser rangefinder, a researcher at point A locates a pair of rare birds nesting at point B, For observation from point C, determine the direction angles and distance to the nest at B
The power is off for 34.0 s and throughout this time the flywheel slows as a result of friction in its axle bearings. Throughout the time the power is off, the flywheel makes 180 complete revolutions.
A roller coaster car moves 200 ft horizontally and then rises 135 ft at an angle of 30 degrees above the horizontal, What is its displacement from its starting point
How many times more light is gathered by a single Keck telescope, whose mirror is equivalent in area to that of a circle 10 m in diameter, than by the Palomar Hale telescope, whose mirror is 5 m in diameter, in any given interval of time?
A free electron and a free proton are exactly 1.2cm apart. Find the magnitude of the acceleration of the proton
find the speed of the test charge when it reaches the center of the square.
Mary needs to row her boat across a 100-{rm m}-wide river that is flowing to the east at a speed of 1- {rm m/s}. Mary can row the boat with a speed of 2- {rm m/s} relative to the water.
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