Physics, 26.06.2019 23:00 cjjjjjjjjjjjjj
In 1976, the lockheed sr-71a blackbird set the record speed for any airplane: 3.53*10^3 km/h. suppose you observe this plane ascending at this speed. for 20.0 s, it flies at an angle of 15.0 degrees above the horizontal, then for another 10.0 s it's angle of ascent is increased to 35.0 degrees. calculate the plane's total gain in altitude, it's total horizontal displacement, and its resultant displacement.
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Matt is driving down 7th street. he drives 150 meters in 18 sec. assuming he doesn’t slow down or speed up, what is his speed?
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Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.
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Physics, 22.06.2019 16:00
The electric field direction is defined by the direction of the force felt by (select one of the following answers): 1. a negative charge. 2. a positive charge. 3. both positive and negative charges.
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In 1976, the lockheed sr-71a blackbird set the record speed for any airplane: 3.53*10^3 km/h. suppo...
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