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.
water at a rate of 2 m³/min.
of the water height in this tank?
16) A box with a square base and an open top must have a volume of 256 cubic inches. Find the dimensions of the
box that will minimize the amount of material used (the surface area).
17) A farmer wishes to
#14 Sand pours from a chute and forms a conical pile whose height is always equal to its base diameter. The height o
the pile increases at a rate of 5 feet/hour. Find the rate of change of the volume of the sand in the conical pile
when the height of the pile is 4 feet.
(d)(65in(x)-5 cos(x) dx
mins by
5x-2x²
3x+1
dx
-dx
20 Evaluate each the following indefinite integrals
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