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Mrs.T boards plane A and her class boards plane B. The two airplanes leave the airport at the same time. Mrs. T's plane is flying at a heading of 120 degrees and the class plane is traveling at 320 degrees. If the planes travel at the rates of 700 and 600 miles per hour, respectively, how far apart are they after an hour? If possible use law of sines or law of cosines
a box that weighs 10lbs is pushed along a surface by a variable force f0.1t0.5 lbs. what is the velocity in fts of the
an electron traveling at 993 ms enters a 1.5 t magnetic field. the angle between the velocity and the field is 90o.
How much heat must be absorbed by ice of mass m = 720 g at -10 degrees Celsius to take it to liquid state at 15 degrees Celsius
Two identical machines are positioned the same distance from a worker. The intensity of sound delivered by each machine at the location of the worker is 2.0x10-7 W/m2. Find the sound level heard by the worker
A 1.50 kg object is held 1.20m above a relaxed massless, vertical spring with a force constant of 320 N/m. The object is dropped onto the spring.
q1. an engine does 20000 j of work and rejects 6120 j of heat into a cold reservoir whose temperature is 285 k. what
A person is making homemade ice cream. She exerts a force ofmagnitude 22 N on the free end of thecrank handle, what is the average power being expended
A 3*5 card containing two pinholes, 0.08mm in diamter andseparated center to center by 0.10mm, how far away should the screen be
Assume you are a medieval knight attacking a castle with a canon. The ball leaves the cannon with a speed of 40.9 m/s. What is the time of flight of the cannon ball
The intensity of the sunlight that reaches Earth's upper atmosphere is approximately 1410 W/m2. What is the average energy density
a centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. such a
A mechanic can apply a force of 240 N to each side of a tire iron a distance of L = 1.98 m apart. What is the net torque
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