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In otherwise empty space is a system of 4 particles, each of the same mass. The accelerations of the particles are as follows: a1 = ˆi a a2 = ˆj a 2 a3 = −( ˆi +ˆj) (2 a) a4 = (ˆi −ˆj) (3 a), where a >
answered
Nov 14, 2020
Physics
college
5
votes
200k
views
Which type of solution is ideal for carrying out cell functions in the body?
answered
Apr 23, 2020
Biology
middle-school
6
votes
23.8k
views
PLEASE HELP!!!!!!! In 2000, the population of a town was 8914. The population is expected to grow at a rate of 1.36% each year. What is the population of the town in 2006? Round the answer to the nearest
answered
Oct 23, 2019
Mathematics
high-school
4
votes
156k
views
Does the shape have rotational symmetry? If so, what is the angle of rotation, rounded to the nearest degree? A. no, 0° B. yes, 45° C. yes, 72° D. yes, 60°
answered
Oct 15, 2019
Mathematics
middle-school
4
votes
20.5k
views
Given: 60,807; 60,087; 60,708 and 60,078, the correct arrangement of these numbers from the least to the greatest value is ?
answered
Aug 28, 2019
Mathematics
high-school
4
votes
142k
views
When should you use a semicolon?
answered
Apr 26, 2019
English
middle-school
6
votes
105k
views
_____ is a chronic inflammatory disease of the central nervous system in which immune cells attack the myelin sheath of the nerve cell axons.
answered
Dec 28, 2018
Biology
college
1
vote
200k
views
Simplify 3 square root of 5 end root minus 2 square root of 7 end root plus square root of 45 end root minus square root of 28. (1 point)
answered
Nov 1, 2018
Mathematics
high-school
4
votes
202k
views
In order to beat, the heart needs three types of cells. describe the cells and their function.
answered
Sep 7, 2018
Biology
college
5
votes
183k
views
What figure of speech is used in describing winter as an old man with a white, frosty beard? simile metaphor personification user: what figure of speech is used in the expression "happy as a lark"? simile
answered
Jun 19, 2018
English
high-school
4
votes
61.9k
views
100 points!!! I need valid reasons why 'Student’s freedom of expression should be limited in school.' I have a debate going on!!!! I need links as well!!!!!
answered
May 26, 2018
English
high-school
0
votes
145k
views
John can reach 60 centimeters above the top of his head. If John is 2 meters tall, how high can he reach?
answered
Apr 27, 2017
Mathematics
high-school
6
votes
74.3k
views
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