55. You apply a force of 10 N to a grocery cart in order to get an acceleration of 0.5 m/s. If you apply a force of 20 N to the same grocery cart, its acceleration will be A. 0.5 m/s. B. 0.25m/s. C. 10 m/s². D. 20 m/s². E. 1 m/s. 2. 56. At which of the possible times below could the waxing gibbous moon be seen rising? D. 5 A.M. E. '3 P.M. A. 9 A.M. B. 8 P.M. C. 11 P.M.

55. You apply a force of 10 N to a grocery cart in order to get an acceleration of 0.5 m/s. If you apply a force of 20 N to the same grocery cart, its acceleration will be A. 0.5 m/s. B. 0.25m/s. C. 10 m/s². D. 20 m/s². E. 1 m/s. 2. 56. At which of the possible times below could the waxing gibbous moon be seen rising? D. 5 A.M. E. '3 P.M. A. 9 A.M. B. 8 P.M. C. 11 P.M.

Horizons: Exploring the Universe (MindTap Course List)

14th Edition

ISBN:9781305960961

Author:Michael A. Seeds, Dana Backman

Publisher:Michael A. Seeds, Dana Backman

Chapter20: Astrobiology: Life On Other Worlds

Section: Chapter Questions

Problem 4P: If a star must remain on the main sequence for at least 4 billon years for life to evolve to...

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If a star must remain on the main sequence for at least 4 billon years for life to evolve to intelligence, what is the most massive a star can be and still possibly harbour intelligent life on one of its planets? (Hints. See Reasoning with Numbers 9-1 and Appendix Table A-7.)
A 1.43MSun main sequence star is found to have a planet in its habitable zone. What is the expected lifetime (in years) of the star? (Assume that the expected lifetime of the Sun is 11 ✕ 109 years. Round your answer to at least three significant figures.) Using the figure above, if Earth orbited this star, how far along the timeline would it get?
1) How massive would Earth had been if it had accreted hydrogen compounds in addition to the sme properties listed in table 7.1? (Assume the same properties of the ingredients as listed in the table) 2) Now imagine that Earth had been able to capture hydrogen and helium gas in the same proportions as listed in the table. How massive would it have been?
In the Star Wars movie Star Wars Episode VI: Return of the Jedi, a key battle takes place on the inhabited “forest moon” Endor, which supposedly orbits around a gas giant planet. From what you have learned about planets and moons of the solar system, why would this be an unusual situation?
The Perseverance rover landed on Mars in early 2021. During travel to Mars, thespacecraft carrying the rover cruised at a speed of nearly 25,000 miles per hour. Atthis speed, how long would it have taken for the spacecraft to travel 0.5 au? Giveyour answer in days
If Neptune’s clouds have a temperature of 60 K, at what wavelength will they radiate the most energy? (Hint: Use the Wien’s law formula in Reasoning with Numbers 6-1.)
Look at Figure 19-9. Rising from Earths surface to the cloud layer shown, does the temperature increase, decrease, or stay the same? How about from the clouds to the ozone layer? At about what altitude does the temperature change most abruptly, almost 400F in 30 km?
Suppose that Earth grew to its present size in 1 million years through the accretion of particles averaging 100 grams each. On the average, how many particles did Earth capture per second? (Note: Earth’s mass is 6.01027 grams.)
What evidence can you cite that disks of gas and dust are common around young stars?
1) Assume a reasonable density for a trans-Neptuian object with the same mass as Earth, located 50 AU from the sun. Additionally, calculate it's diameter in units of Earth radii.
How is a habitable zone likely to change over time? a. get narrower b. move further from the star c. they aren't likely to change
Describe the Nebular Theory. Include A) what it is, B)what happened, and C) at least three lines of evidence to support it.