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An airplane in level flight at an altitude h and a uniform speed v passes directly over a radar tracking station A. Using the equations of this chapter (rather than polar coordinates), attach the inertial frame of reference to the ground and suppose anon-rotating earth. Attach the moving frame to the antenna, with the x axis pointing always from the antenna towards the airplane. Compute: a) the relative velocity v rel and the angular velocity (? &) of the radar antenna b) the relative acceleration a rel and the angular acceleration (?&& ) of the radar antenna
Assume that the protons in a hot ball of protons each have akinetic energy equal to kT, what is the least separation anytwo protons can have
how much work is required to turn an electric dipole 180deg in a uniform electric field of magnitude e 41.0 nc if p
A car is initially 4.0km south of a gas station and is moving with a constant speed of 55km/h due north. How far are the vehicles from the gas station when they pass each other
Find the Band Structure and Band Occupancy
A sled of mass m is given a kick on a frozenpond. The kick imparts to it an initial speed of 2.00m/s. find the distance the sled moves before it stops
A hydrometer is used to measure the specific gravity of liquids. For a sure liquid a hydrometer reading indicates a specific gravity of 1.15. What is the liquid's density and specific weight? State the answer in SI units.
a 10 kg box is pulled for 3.60 m along a level surface by a rope that makes an angle of 37 degrees above the horizontal. Find the work done by each force on the box
Iron atoms have been detected in the sun's outer atmosphere, somewith many of their electrons stripped away. What is the netelectric charge (in coulombs) of an iron atom with 12 protons and 7electrons?
If the refractive index of air is 1.00029 and all the air is pumped out of the cell, how many fringe-pairs will shift by
a cylindrical copper rod has resistance of 0.3 ohm. it is reformed to 3.8 timesm its original length with no change of
A 200 g ball on a 60 cm long string is swung in a vertical circle about a point 200cm above the floor. The tension in the string when the ball is at very bottom of the circle is 4.4 N.
A hydraulic press has one piston of diameter 2.0 cm and the other piston of diameter 8.0 cm. What force must be applied to the smaller piston to obtain a force of 1600 N at the larger piston:
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