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A jet is circling an airport control tower at a distance of 18.0 kilometer. An observer in the tower watches the jet cross in front of the moon. As seen from the tower, the moon subtends an angle of 9.04 x 10-3 radians. Obtain the distance traveled by the jet as the observer watches the nose of the jet cross from one side of the moon to the other.
(in meters)
A red car and a green car, identical except for the color, move toward each other in adjacent lanes and parallel to an x axis. What is the initial velocity of the green car
Light of intensity 0.5 W/m2 passes through the pupil of one of your eyes and eventually falls on your retina. how much light energy passes through in one minute
A beam contains 8.4 x 108 doubly charged positiveions per cubic centimeter, all of which are moving north with aspeed of 4.2 x 105 m/s. What is the magnitude of the current density?
a hot air balloon is ascending straight up at a constant speed of 7.0 ms. when the ballon is 12.0 m above the ground a
A move theater projector produces a 3.0 m wide image of a 2.5 cm wide picture on a screen that is 18 m distant. The focal length of the projection lens must be about?
Coherent light with wavelength 400 nm passes through two very narrow slits that are separated by 0.200 mm, What is the width (in mm ) of the first-order bright fringe
A block is resting on a ramp with coefficient of friction between the blockand the ramp being .350, What is the max angle that the block can make without slipping
a turbine accepts steam at 2.0 mpa and 627 degrees c and discharge at 20 kpa. every second 4 kg of superheated steam
A parallel-plate capacitor has each plate with a surface area of 12.5cm^2, separated by a distance of 0.270mm. find The total electric field between the plates
A u-tube with constant cross section is partly filled with water. Engine oil of density 0.8g/cm3 is poured into the right arm (without mixing) until the water level rises 2.0cm. The length of the oil column is then.
A 85 kg man in a 6.0 kg chair tilts back so that all the weight isbalanced on two legs of the chair. find the pressure exertedby each leg on the floor
Now your cousin wants to go on the playground slide, which is 1.5 meters long and has an incline of 30 degrees. what is her final velocity in ms when she reaches the bottom
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