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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
gold which has a mass of 19.32 g for each cubic centimeter of volume is the most ductile metal and can be pressed into
A bat moving at 3.4 m/s is chasing a flying insect. The bat emits a 49 kHz chirp and receives back an echo at 49.44 kHz. At what speed is the bat gaining on its prey
a 13.5-kg box slides over a rough patch 1.75 m long on a horizontal floor. just before entering the rough patch the
Three identical masses of 800 kilogram each are placed on the x axis. One mass is at x1 = -13.0 cm, one is at the origin, and one is at x2 = 45.0 cm. Find the magnitude of the net gravitational force on the mass at the origin due to the other two mas..
An unstable atomic nucleus of mass 1.92 10-26 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.00 10-27 kg, Find the velocity of the third particle
A He-Ne laser produces light of wavelength 633 nm with intensity 1.05 103 W/m2, over a beam of cross-sectional area 1.03 mm2. How many photons per second are emitted by the laser
Dave Johnson, the bronze medalist at the 1992 Olympic decathlon in Barcelona, How far does his center of mass move up as he makes the jump
you swing a 3.16-kg bucket of water in a vertical circle of radius 0.860 m. at the top of the circle the speed of the
A storage tank has a diameter of 80 ft, a height of 25 feet, andcontains oil to a height of 15 ft. The suction pumps, whichcan handle 15, 000 bbl/d are started, but the safety valves areclogged and a vacuum is drawn in the tank.
A 35.0-kg seal at an amusement park slides down a ramp into the pool below. The top of the ramp is 1.80 m higher than the surface of the water, and the ramp is inclined at an angle of 30.0° above the horizontal. The seal reaches the water with a s..
A 2.00-mol sample of hydrogen gas is heated at constant pressure from 302 K to 414 K. Calculate the increase in its internal energy
Two identical gliders on an air track are held together by a piece of string, compressing a spring between the gliders. What velocity does the other glider have
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