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A bluebird has mass of 34 grams. It flies from the ground to the top of an 8.5-m tree. What is the change in the bluebird's gravitational potential energy as it flies to the top of the tree? 2800J 290J
answered
Feb 8, 2020
Physics
college
5
votes
119k
views
Find the circumference of a circle whose diameter is 35cm
answered
Oct 31, 2019
Mathematics
college
4
votes
13.8k
views
The sum of the two digits of a number is 16. the number formed by reversing the digits is 18 more than the original number. find the original number and its reversal.
answered
Sep 8, 2019
Mathematics
high-school
1
vote
114k
views
To practice problem-solving strategy 22.1: gauss's law. an infinite cylindrical rod has a uniform volume charge density ρ (where ρ>0). the cross section of the rod has radius r0. find the magnitude of
answered
Aug 23, 2019
Physics
college
7
votes
132k
views
Ocean tides result largely from the gravitational attraction of the A. core of Earth. B. sun. C. closest neighboring planets. D. moon. I think it's the moon... Am I wrong?
answered
Aug 4, 2019
Biology
high-school
2
votes
31.2k
views
Which equation has no solution. A. 13y + 2 - 2y = 10y + 3 - y B. 9(3y + 7) - 2 = 3 (-9y + 9) C. 32.1y + 3.1 + 2.4y - 8.2 = 34.5y - 5.1 D. 5(2.2y + 3.4) = 5(y - 2) + 6y
answered
Apr 23, 2019
Mathematics
middle-school
0
votes
3.2k
views
A farmer is considering four different sizes of cylindrical silos. Which silo will provide the greatest storage capacity? Corn Silos Silo Radius Height A 6 feet 60 feet B 8 feet 50 feet C 10 feet 34 feet
answered
Feb 6, 2019
Mathematics
college
2
votes
174k
views
A plane travels 395000 meters in 9000 seconds , what is the speed?
answered
Sep 25, 2018
Mathematics
middle-school
4
votes
59.5k
views
It is rather for us to be here dedicated to the great task remaining before us – that from these honored dead we take increased devotion to that cause for which they gave the last full measure of devotion
answered
Aug 19, 2018
English
high-school
2
votes
3.2k
views
What are the levels of organization in ecology?
answered
May 1, 2018
Biology
high-school
7
votes
172k
views
Dickens is known to use caricature in his stories to criticize social problems and the evils of society. Note the words he uses to describe the characters in the story. What tone does the author use in
answered
Apr 28, 2018
English
college
1
vote
124k
views
. Predict the weather that will be at your house before this a cold front arrives.
answered
Mar 27, 2018
History
high-school
5
votes
64.9k
views
Lifestyle choices should be changed at least once a year. a. True b. False
answered
Dec 25, 2017
Social Studies
high-school
4
votes
160k
views
What percentage of atoms in a sample of plutonium-238 will remain radioactive after 263.1 years
answered
Nov 14, 2017
Physics
high-school
6
votes
69.6k
views
How are the earthquakes related to volcanoes ?
answered
Aug 19, 2017
Social Studies
middle-school
2
votes
60.8k
views
Qhat is 34.78 multiplied by, 345345.897
answered
Jun 2, 2017
Mathematics
high-school
4
votes
6.4k
views
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