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 Name:
 Kevin Lee
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Questions Asked

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Group Title
A cube whose edges are .2m long has one corner at the origin of an xyz coordinate system. A magnetic field with a strength of .5T is applied…
 updated 5 months ago
 11 replies
 1 Medal
Mathematics

Grazes:
Group Title
How do I cite a review that was published in a newspaper and then republished in a book? (MLA)
 updated 5 months ago
 11 replies
 No Medals Yet
Mathematics

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Group Title
In the Energy–momentum relation, what does c stand for?
 updated 6 months ago
 2 replies
 1 Medal
Mathematics

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A 5 uC charge is at the origin of an xy coordinate system. What is the potential difference between the points x=6m and y=4m because of this…
 updated 6 months ago
 2 replies
 1 Medal
Mathematics

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Group Title
Two point charges of magnitude 5 uC and 5uC are situated along the xaxis at x1=3m and x2=3m, respectively. What is the electric potential…
 updated 6 months ago
 12 replies
 1 Medal
Mathematics

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Group Title
Show that there is no triangle with a=2 b=3 and angle A=42 degrees
 updated 7 months ago
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Mathematics

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Find the number of fivedigit positive integers, n, that satisfy the following conditions:
(a) the number n is divisible by 5,
(b) the fir…
 updated 7 months ago
 1 reply
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Mathematics

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Group Title
Can someone translate the second page of this story? (page 6 in the pdf)
LINK:https://www.cathedralirish.org/file.cfm?resourceid=22684&fi…
 updated 7 months ago
 3 replies
 No Medals Yet
Mathematics

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A angle between line l and the line y3=(1/4)(x+2) measures 60 degrees. The line l contains the point (1,5). Find all possible equations of…
 updated 8 months ago
 24 replies
 2 Medals
Mathematics

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Group Title
The speed of surface waves in deep water is given by v=gT/2pi. What is the wave length of a wave that has a period of 5.00s?
 updated 8 months ago
 3 replies
 No Medals Yet
Mathematics

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Group Title
The work done on a slingshot is 40 J to pull back a .1kg stone. If the slingshot projects the stone straight up in the air, what is the maxi…
 updated 8 months ago
 5 replies
 2 Medals
Mathematics

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Group Title
A 6kg block, sliding to the east across a horizontal frictionless surface with a momentum of 30 kg*m/s strikes an obstacle. The obstacle exe…
 updated 8 months ago
 3 replies
 1 Medal
Mathematics

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I'm trying to think of a phrase to substitute "slipped through the crowd" because my English teacher doesn't like it. Help?
 updated 8 months ago
 37 replies
 3 Medals
Mathematics

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Group Title
A .1 kg object dropped vertically from a height of 1m above the floor bounces back to a height of .8m. What is the mechanical energy lost by…
 updated 8 months ago
 6 replies
 1 Medal
Mathematics

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Group Title
If the three roots of the polynomial x^3+3x^25x+1 are r1,r2,r3, find r1r2+r1r3+r2r3.
Can someone do this step by step so I understand it? …
 updated 8 months ago
 1 reply
 1 Medal
Mathematics

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Group Title
Which of the following is not a solution to 2sin^2(x)+sinx?
330,210,180,150,0 (in degrees)
 updated 8 months ago
 3 replies
 1 Medal
Mathematics

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Group Title
If the four roots of the polynomial x^4+3x^2+2x^2+4x4 are r1,r2,r3,r4 then r1r2r3+r1r3r4+r1r2r4+r2r3r4=?
 updated 8 months ago
 1 reply
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Mathematics

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Image.
 updated 8 months ago
 17 replies
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Mathematics

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Let P(x)=x^36x+k. If the sum of the two roots of P(x) is 2, then the third root is...
 updated 8 months ago
 16 replies
 1 Medal
Mathematics

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Group Title
What is the xcoordinate of the point on the graph of the equation y=2x+3 which is closest to the point (5,0)?
 updated 8 months ago
 44 replies
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Mathematics

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What will the remainder be when P(x)=x^13+4x^73x+2?
How can I do this without dividing everything out?
 updated 8 months ago
 7 replies
 1 Medal
Mathematics

Grazes:
Group Title
Find roots of the equation.
 updated 9 months ago
 11 replies
 2 Medals
Mathematics

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Group Title
Can someone explain why an infinite series won't change even if you add another term of the sequence to the end of it?
 updated 9 months ago
 13 replies
 1 Medal
Mathematics

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Geometric Sequences
 updated 9 months ago
 15 replies
 1 Medal
Mathematics

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Sequences
 updated 9 months ago
 6 replies
 No Medals Yet
Mathematics

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Show that n^3>(N+1)^2 for all natural numbers n>=3.
 updated 9 months ago
 26 replies
 3 Medals
Mathematics

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Group Title
Prove the identity: 4k^3+15k^2+17k+6=(k+1)(k+2)(4k+3) using the left side.
 updated 10 months ago
 1 reply
 1 Medal
Mathematics

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Group Title
Prove the identity: 4k^3+3k^2+11k+9=(k+1)(k+2)(4k+3)
 updated 10 months ago
 3 replies
 No Medals Yet
Mathematics

Grazes:
Group Title
Find k and the roots:
The sum of 2 roots of 3x^3+kx^23x+12 is 0
 updated 11 months ago
 2 replies
 No Medals Yet
Mathematics

Grazes:
Group Title
Find the contact force
a. between boxes 1 and 2
b. between boxes 2 and 3
 updated 11 months ago
 1 reply
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Mathematics
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