According to the law of universal gravitation what

This preview shows page 29 - 32 out of 33 pages.

According to the law of universal gravitation, what would happen to Earth if the Sun were somehow replaced by a black hole of the same mass?ANSWER:less.greater.the same.gradually grows larger.stays the same at all times.gradually transforms into other forms of energy.twice as strong.one-third as strong.one-quarter as strong.half as strong.
10/28/2018Ch 04 HWCorrectProblem 4.34Part AIf the Moon were closer to Earth, high tides wouldEarth's orbit would not change.Earth would slowly spiral into the black hole.Earth would be quickly sucked into the black hole.Earth would slowly fall into the black hole.
30/33CorrectProblem 4.3Part AWhat isfree-fall, and why does it make youweightless? Briefly describe why astronauts are weightless in the International Space Station.Drag the terms on the left to the appropriate blanks on the right to complete the sentences.ANSWER:
CorrectProblem 4.28Choose the best answer.Part AConsider the statement "There's no gravity in space." This statement is:ANSWER:
10/28/2018Ch 04 HW31/33CorrectSorting Task: Temperature ScalesIn astronomy you may hear temperatures quoted on any of three different temperature scales: the Fahrenheit scale used commonly in the United States, theCelsius scale used internationally, and the Kelvin scale used in science.Part AEach of the following items states a temperature, but does not tell you whether the temperature is measured on the Fahrenheit, Celsius, or Kelvin scale.Match the items to the appropriate temperature scale.Hint 1.Comparing temperatures on the three temperature scalesYou can use a formula to convert temperatures from one scale to another, but there’s an even easier way: Just compare thermometers marked withtemperatures on all three scales. The following figure shows this comparison for selected temperatures, from which you should be able to sort thelist items in the appropriate bin.Hint 2.What is the boiling temperature of water on the Fahrenheit scale?On the Fahrenheit scale, water boils at a temperature of _____.ANSWER:ResetHelp

Upload your study docs or become a

Course Hero member to access this document

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 33 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Summer
Professor
Angelichio

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture