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A radar station locates a sinking ship at range 18.1 km and bearing 136° clockwise from north. From the same station, a rescue plane is at horizontal range 19.6 km, 154° clockwise from north, with elevation 1.90 km.
(a) Write the displacement vector from plane to ship, letting represent east, north, and up. __ km
(b) How far apart are the plane and ship? __ km
a positive charge of -4 microcoulombs is llocated at the center of a spherical shell of inner radius 2cm and outer radius 3cm, what is the total charge on he inner shell
Calculate the speed of sound for a wave whose wavelength is 2.5 m and whose frequency is 270 Hz
A beam of nuclei is used for cancer therapy. Each nucleus has an energy of 183 MeV, How many nuclei are in the beam
An airplane is flying in a jet stream that is blowing at 45.0 m/s in a direction 18° south of east, What is the airplane's speed relative to the earth
A 7.57- g bullet is moving at 689.00 m/s as it leaves the 0.63- m-long barrel of a rifle. What is the average force on the bullet
Two trains on separate tracks move toward each other. Train 1 has a speed of 125 km/h; train 2 a speed of 84.0 km/h. What is the frequency heard by the engineer on train 1
A satellite with a mass of 750 kg is in orbit around the earth. It is initially located at the altitude (measured from the earth's surface) of 2.12 x 106 m. It is then moved into a new orbit, with an altitude of 4.25 x 10^6 m (again, measured from..
The wavenumber of the incident radiating in a Raman spectrometer is 20487 cm-1. What is the wavenumber of the scattered Stokes radiation
A brick is thrown vertically upward with an initial speed of 4.90 m/s from the roof of a building. If the building is 98 m tall, how much time passes before brick lands on the ground.
Under controlled darkened conditions in the laboratory, a light receptor cell on the retina of a person's eye can detect a single photon of light of wavelength 503nm, What is the intensity in (W/m^2) delivered to a rod
Assume that, when Hiawatha aims vertically, his arrow reaches a maximum height of 20 m. Use this fact to find the initial speed u with which Hiawatha can launch the arrow vertically.
How long after the beginning of the power failure would it have taken the flywheel to stop if the power had not come back on? Explain how many revolutions would the wheel have made during this time?
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