Work integrals in ¡ 3 Given the following force fields, find the work required to move an object on the given curve. 14. F = 〈 x , y , z 〉 ( x 2 + y 2 + z 2 ) 3 / 2 on the path r ( t ) = 〈 t 2 , 3 t 2 , – t 2 〉, for 1 ≤ t ≤ 2
Work integrals in ¡ 3 Given the following force fields, find the work required to move an object on the given curve. 14. F = 〈 x , y , z 〉 ( x 2 + y 2 + z 2 ) 3 / 2 on the path r ( t ) = 〈 t 2 , 3 t 2 , – t 2 〉, for 1 ≤ t ≤ 2
Work integrals in ¡3Given the following force fields, find the work required to move an object on the given curve.
14.
F
=
〈
x
,
y
,
z
〉
(
x
2
+
y
2
+
z
2
)
3
/
2
on the path r(t) = 〈t2, 3t2, –t2〉, for 1 ≤ t ≤ 2
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
17. [-/1 Points]
DETAILS
MY NOTES
SESSCALCET2 6.2.050.
Evaluate the integral. (Remember to use absolute values where appropriate. Use C for the constant of integration.)
du
4√3-
-4²
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18. [-/1 Points] DETAILS
MY NOTES
SESSCALCET2 6.2.051.
Evaluate the integral. (Use C for the constant of integration.)
-
49
dx
x²
+3
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19. [-/1 Points]
DETAILS
MY NOTES
SESSCALCET2 6.2.057.
Evaluate the integral. (Remember to use absolute values where appropriate. Use C for the constant of integration.)
25+ x2
dx
Let (5,3,-7) and = (2, -3, -6).
=
Compute the following:
u× u =
-4(u xv)
ux (-4v)
(+v) × v=
Let a = (4, -2, -7) and 6 = (2,5, 3).
(ã − ò) × (ã + b) =
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