drew369 drew369

10-08-2017
Physics

contestada

Suppose that, while lying on a beach near the equator watching the Sun set over a calm ocean, you start a stopwatch just as the top of the Sun disappears. You then stand, elevating your eyes by a height H = 1.70 m, and stop the watch when the top of the Sun again disappears. If the elapsed time is t = 11.1 s, what is the radius r of Earth?

Respuesta :

tiara143 tiara143

20-08-2017

Ans: Let d is the distance from height to our eyes.

Applying the Pythagoras theorem, we get,

Check image:

Ver imagen tiara143

Answer Link

Otras preguntas

How does Aristotle's method of studying politics compare to Hobbes' and Locke's methods?a. Aristotle surveyed Greek history to inform his political ideas; Hobbe

Write the impact of islam when it spread in to different west african empire?

Which of the following is NOT a type of malware? a. Virus b. Trojan horse c. Firewall d. Worme. Backdoor

Give an example of a situation where you might recommend each option and explain why?

Determine the graphically the minimum value of the following objective functions: Z=500x+400y constrain a. x+y≤200b. x≥20c. y≥4xd. y≥0

What happened to the U.S. economy in the 1990s? Select all that apply. a) Unemployment fell to 4% b) GDP grew by 4% annually c) Inflation grew by 5% d) Inflatio

Targets of the ALF and ELF include which of the following? a) Banks and other symbols of "capitalist exploitation" b) Wealthy members of the "ruling class" c) L

Does the camp use strategies to avoid injury and work with individual campers' fitness abilities?

Which of the following is true regarding remedies for patent infringement? a) The patent holder may seek permanent injunctive relief and damages, as well as cou

An electron is moving along x-axis and electric field is also in same direction.Then the path of electron is.1)circular2)Parabola3)Elliptical4)Straight line.