Recent Homework Questions About Earth
A bag of sugar weighs 6.70 lb on Earth. a) What would it weigh in newtons on the Moon, where the free-fall acceleration is one sixth that on Earth?
Monday, September 30, 2013 at 3:34pm
Why does the moon not require a push to keep it along its orbit around the earth? -I have to use Newton's first law of motion.
Monday, September 30, 2013 at 5:16am
Sunday, September 29, 2013 at 8:10pm
8th grade Science
Deductive reasoning is when a principle is used to draw a conclusion. Inductive reasoning is when a principle is developed based on observations. Read the last sentence: From this evidence, "Wegener REASONED that Earth's continents were all once a part of one big ...
Sunday, September 29, 2013 at 6:09pm
Yes, I think it's D. This article reports on the happiest countries in the world. They are in northern Europe which has both high incomes and more civil liberties. http://edition.cnn.com/2013/09/09/business/earth-institute-world-happiness-rankings/index.html
Sunday, September 29, 2013 at 1:23pm
light from the sun takes approximately 8 minutes to reach earth. If the light travels at a speed of 3 x 10 raised to 8 meters / second, calculate to 3 significant figures the distance from the sun to the earth
Sunday, September 29, 2013 at 10:02am
For this question, you need to apply what you learned about temperature controls to two locations on Earth. Discuss how the 5 factors influencing temperature patterns effect St. Louis, Missouri (38°39' N, 90°W; elevation 535 ft) and Singapore (1°24'N, 103&...
Saturday, September 28, 2013 at 11:36pm
Math (Algebra 2)
Source: At the end of 1993, scientists tracked 1550 nonfunctional components in orbit and projected 42 such objects are added each year. Suppose that an average of 15 of these are brought back to Earth each year. Question: Write the function "R" that models the total...
Saturday, September 28, 2013 at 5:19pm
A student sets up an Atwood machine with a frictionless rope, a 4.5-kg mass, and a 9.5-kg mass. What will be the acceleration of the masses? Use the gravitational acceleration found on Earth: g = 9.8 m/s2.
Friday, September 27, 2013 at 5:27pm
age, weathering, composition
Friday, September 27, 2013 at 8:42am
Calculus and vectors
A vector can be used to represent the path of a drill tip used to bore a deep mine shaft in Sudbury one quarter of the way to the centre of the Earth. Represent the vector using a directed line segment and Cartesian co-ordinates and describe which representation may be more ...
Friday, September 27, 2013 at 7:24am
A man has a mass of 80kg on the Earth's surface. Part A How far above the surface of the Earth would he have to go to "lose" 13% of his body weight?
Thursday, September 26, 2013 at 3:06pm
1) Which of the following is a valid reason why a scientist might reject a scientific theory? (1point) Some people disagree with it. It covers too broad a topic. New evidence contradicts it.*** It is too old. 2) A scientific hypothesis must be (1point) Correct Able to be ...
Thursday, September 26, 2013 at 2:35pm
Earth Sciences, Geology
What means by 'Gemstone minerals'? Is there any difference between gemstone, minerals and gemstone minerals?
Thursday, September 26, 2013 at 6:26am
The jet passengers are closer to the earth's center of gravity.
Monday, September 23, 2013 at 6:48pm
1/6 = .1666667 = .17 At surface gravity (what you weigh on the surface of the earth), you weigh 85 pounds. On the moon, you would weigh .17 * 85 = ?
Monday, September 23, 2013 at 4:35pm