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Julius
Nom d'utilisateur
Julius
But
956
Membership
Stats
Questions
166
Réponses
133
167 Questions
135 Answers
0
948
4
+956
Urgent Help @CPhill @EP @Anyone
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Julius
5 oct. 2018
0
1033
1
+956
ASAP help
Which of the following planes is the equation for the plane with an x-intercept (2,0,0), a y-intercept at (0,-3,0), and is parallel to the z-axis?
a) 3x-2y-6 = 0
b) 2x-3y+z-6=0
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Julius
5 juin 2018
0
932
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+956
Check my work
a) They're perpendicular because of opposite slope: d1 has slope 3/2 and d2 has slope -2/3
b) 3x+2y-11=0
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Julius
28 mai 2018
0
1549
1
+956
Clarify
An airplane is heading north with an airspeed of 400 km/h. The plane encounters a wind from the east at 100 km/h. What is the magnitude of the resultant ground velocity?
a) 387 km/h
b) 400 km/h
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Julius
23 mai 2018
0
1791
1
+956
The vectors and have the same magnitude. The angle between the vectors is 125, and the magnitude of their cross product is 20. What is
The vectors
and
have the same magnitude. The angle between the vectors is 125°, and the magnitude
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Julius
23 mai 2018
0
1327
1
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Stuck
What is this direction cosine for the vector (7,4,-3) with the positive z-axis?
a) -3/74
b) -3/√(74)
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Julius
23 mai 2018
0
1549
1
+956
Clarify
The resultant of two forces has a magnitude of 23 N in the northwest direction. What is the equilibrant?
a) 23 N NW
b) -23 N SE
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Julius
23 mai 2018
0
1353
1
+956
Help
A 20 N force acts on an object. The horizontal component of this force has a magnitude of 12 N. What is the angle the force made with the horizontal?
a) 53.13°
b) 36.87°
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Julius
23 mai 2018
0
1550
1
+956
Stuck
Two forces of 4 N and 5 N act on an object and their corresponding force vectors have a dot product of 8. What is the angle between the vectors?
a) 66.42°
b) 27.27°
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Julius
23 mai 2018
0
1406
1
+956
Help
A force of magnitude 5 N acts on an object. A second force of magnitude 7 N acts at 50° to the other force. What is the magnitude of these two forces?
a) 8.6 N
b) 10.91 N
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Julius
23 mai 2018
+1
940
0
+956
Help
Umm, so I tried drawing two vectors and an angle of 114. But that's as far as I got.
Julius
18 mai 2018
+1
998
2
+956
Help
I know the formula is T = rFsin(theta)
So: T = (0.3)(5)sin(67)
T = 1.4 Nm
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Julius
18 mai 2018
0
949
1
+956
Help
W = (30)(50)cos30
W = 1299.04 J
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Julius
18 mai 2018
0
1014
1
+956
Help
Can someone help me with this, please?
Melody
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Julius
18 mai 2018
0
1014
1
+956
Help
I'm thinking because 4+5 does not equal 10? I'm probably very off
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Julius
17 mai 2018
0
1020
0
+956
Confused
I'm confused with this question, any help is appreciated.
Julius
16 mai 2018
0
1063
2
+956
Check my work
Okay so first I did the cross product and I got: (3,8,1)
Then I did: √(3)^2+(8)^2+(1)^2
I get: √74
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Julius
16 mai 2018
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2X2=4
Julius
8 mars 2017
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dernier
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11
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