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A thin, uniform, metal bar, 3 m long and weighing 90 N , is hanging vertically from the ceiling by a frictionless pivot. Suddenly it is struck 1.6 m below the ceiling by a small 4-kg ball, initially traveling
answered
May 8, 2021
Physics
high-school
3
votes
65.5k
views
PLZZZ HELP All of the following expressions are equivalent to 12 w+ 6, except (3 + 6 w)2 6(1 + 2 w) -1(-12 w-6) -1(12 w-6)
answered
May 7, 2021
Mathematics
high-school
4
votes
193k
views
How does the Marburg virus compare to the coronavirus?
answered
Mar 4, 2021
Biology
high-school
6
votes
114k
views
A tree is planted at a point O on horizontal ground. Two points A and B on the ground are 100 feet apart. The angles of elevation of the top of the tree T from the points A and B are 45◦ and 30◦ respectively.
answered
Dec 19, 2020
Mathematics
college
3
votes
181k
views
What is the balanced chemical equation for the reaction used to calculate ΔH∘f of SrCO3(s)? If fractional coefficients are required, enter them as a fraction (i.e. 1/3). Indicate the physical states using
answered
Nov 28, 2020
Chemistry
college
4
votes
47.9k
views
Which equation gives the length of an arc, s, intersected by a central angle of 3 radians in a circle with a radius of 4 in.?
answered
May 14, 2020
Mathematics
high-school
5
votes
67.4k
views
A tool that uses lenses to focus light and create useful images
answered
May 12, 2020
Physics
middle-school
0
votes
139k
views
Based on experimental data, the function T(x) = -3(x − 4)^3 + 10 models the temperature of a special substance after being placed in a freezer for x minutes . The turning point of the graph marks the moment
answered
Apr 20, 2020
Mathematics
middle-school
4
votes
226k
views
A survey revealed that 31% of people are entertained by reading books, 37% are entertained bywatching TV, and 15% are entertained by both books and TV. What is the probability that a personwill be entertained
answered
Feb 8, 2020
Mathematics
high-school
5
votes
209k
views
What is the value of C
answered
Jan 8, 2020
Mathematics
middle-school
2
votes
5.3k
views
Complete the following sentence. Adam Smith believed that government should never intervene in a state's economy, but instead allow _____. owners of factories to control their workers innovative ideas
answered
Sep 11, 2019
History
middle-school
0
votes
223k
views
Help me plz with these problems
answered
Jul 28, 2019
Chemistry
middle-school
3
votes
119k
views
Which transformations are rotations? Choose all answers that are correct.
answered
Jul 27, 2019
Mathematics
high-school
1
vote
150k
views
Choose the correct way to say “I Think” in Spanish
answered
May 15, 2019
Spanish
middle-school
0
votes
229k
views
What number could you put into the blank to make the value of this expression 6.93? 6.93⋅4.21 + 3.56____ + 4.21
answered
Mar 27, 2019
Mathematics
college
1
vote
30.1k
views
________ is a cell's main source of energy.
answered
Dec 11, 2018
Biology
high-school
6
votes
115k
views
In at least one hundred words, discuss the contradictions present in the narration in Maupassant's "A Wedding Gift." Use details from the passage to support your answer.
answered
Nov 27, 2018
English
high-school
3
votes
201k
views
If someone could help me that would be great tbh 2. why do you receive more radiation if you live in the mountains or travel on an airplane? 3. in nuclear radiation, iodine-125 is used for detecting a
answered
Jun 29, 2018
Chemistry
high-school
1
vote
232k
views
Why does Odysseus start crying when he looks around his home?
answered
Jun 27, 2018
English
high-school
2
votes
11.1k
views
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