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You spot a plane that is 1.6 km north, 2.71 km east, and at an altitude 4.68 km above your position.
-How far from you is the plane?-At what angle from due north (in the horizontal plane) are you looking?-Determine the plane's position vector (from your location) in terms of the unit vectors, letting ihatbold be toward the east direction, jhatbold be toward the north direction, and khatbold be in vertically upward.
-At what elevation angle (above the horizontal plane of Earth) is the airplane?
The positively charged plate of a parallel-plate capacitor has a charge equal to Q. When the space between the plates is evacuated of air, What is the dielectric constant of the material
A box of mass 12.0 kg is sitting on the floor of an elevator which is accelerating upwards at 5.1 m/s2. If the coefficient of static friction between the box and the floor if 0.30, what is the minimum horizontal force needed to just start moving the ..
A Cessna Citation II jet (call number 90-RC) has a lift-off velocity of 260 km/hr. The runway that 90-RC takes off from is 1200 m long. How long does it take for 90-RC to take off
Barometric pressure in the eye of a hurricane is 0.91atm (27.2 in of mercury). How does the level of the ocean surface under the eye compare with the level under the distant fair-weather region where the pressure is 1.0atm.
The density of particles n is a suspension is found to go as n=n0e-lamdah, where lamda is a constant and h is the height. What is the value of lamda if the density falls to no/2 When h = 10 microm?
A learner throws a set of keys vertically upward to his fraternity brother, who is in a window 3.60 meter above. Obtain with what initial velocity were the keys thrown
In a Young's double-slit experiment, two rays of monochromaticlight emerge from the slits and meet at a point on a distantscreen. The point on the screen where these two rays meet isthe eighth-order bright fringe.
An aluminum rod is 18.5 centimeter long at 20°C and has a mass of 350 gram. If 10500J of energy is added to the rod by heat, evaluate the change in length of the rod
Water Drips at a constand rate from a faucet that is 50.0cmabove a sink. Just as one drop hits the sink, another drop is falling through the air and a third drop is just leaving the faucet.
The sound intensity level at a rock concert is 114 dB, while that at a jazz fest is 84.5 dB. Find the ratio of the sound intensity at the rock concert to that at the jazz fest
At its highest temperature, a space heater has a resistance of 15.5 ?, What is the average power output of the space heater
What is the ideal banking angle for a gentle turn of 1.80 km radius on a highway with a 110 km/h speed limit (about 68 mph), assuming everyone travels at the limit
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