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Four equal masses M are spaced at equal intervals (each of length d) along a horizontal, straight rod whose mass can be ignored. The system is to be rotated about a vertical axis passing through the mass
answered
Jan 22, 2020
Physics
high-school
3
votes
188k
views
The high school track measures one quarter of a mile around. How many laps would you have to run in order three and a half miles
answered
Oct 14, 2019
Mathematics
college
6
votes
137k
views
The sum of 9 times a number and 6 equals 8- can someone translate it into a equation
answered
May 3, 2019
Mathematics
middle-school
5
votes
9.1k
views
A compound is found to contain 36.58% sodium, 25.41% sulfur, and 50.82% oxygen. Find it’s simplest formula
answered
Feb 22, 2019
Chemistry
high-school
6
votes
96.0k
views
Which mineral is needed in significant amounts because it is important to a healthy heart but can cause blood pressure problems if taken in excess? potassium sulfur calcium sodium
answered
Dec 8, 2018
Health
high-school
5
votes
227k
views
Introduced species can threaten biodiversity because they a. cause desertification b. cause biological magnification c. crowd out native species d. reduce the amount of fertile land
answered
Sep 8, 2018
Biology
high-school
6
votes
60.7k
views
There were 276 people on air airplane write a number greater than 276
answered
Jun 25, 2018
Mathematics
college
2
votes
82.5k
views
Who says, "i dont want to be cross, love can not be forced?" In Anne Frank, a diary of a young girl
answered
Apr 27, 2018
English
middle-school
1
vote
965
views
Solve this X + Y = 10 Y = -X + 10
answered
Apr 10, 2018
Mathematics
high-school
2
votes
153k
views
Would life cease to exist without energy from the sun or some other source
answered
Apr 10, 2018
Biology
college
1
vote
10.8k
views
Time-study analysis could best be summarized by which of the following descriptions? a way for manufacturing to replace workers with robotic devices a method to decrease production time but increase quality
answered
Dec 21, 2017
Business
high-school
4
votes
7.8k
views
A chemist dissolves an unknown solute into 1000 grams of water and then measures the freezing point to be -2.88 C what can be determined from this data and from known constants for water?
answered
Dec 10, 2017
Chemistry
high-school
6
votes
208k
views
Did Lincoln fight to prevent secession from the United States of America?
answered
Sep 28, 2017
History
high-school
6
votes
204k
views
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