Physics, 01.08.2020 03:01 Slaybre8952
Fill in the blanks in the following statements:
1. A parsec is defined as the distance from the Sun which would result in a parallax of arcsecond as seen from Earth when observed 6 months apart.
2. One parsecs is aboutlight years.
3. The more distant a star, theits parallax.
4. The statement "we can measure stellar parallax for most stars in our galaxy" is.
5. The closest stars have parallaxes smaller thanarcsecond.
6. The first successful measurements of stellar parallax were made byin yearfor the star named.
7. Star Fred has parallax four times greater than star Bob. Star Fred istimesthen star Bob.
Answers: 1
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Identify the arrows that show the correct direction of heat transfer. 66°f 112°f 98°f
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The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.
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Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?
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The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?
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Fill in the blanks in the following statements:
1. A parsec is defined as the distance from the Sun...
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