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5 AnswersFashion & Accessories1 decade agoFind the work done by the force field F in moving an object?
Find the work done by the force field F in moving an object from P to Q.
F(x, y) = <e^-y, - x^e-y>
P(0, 5), Q(5, 0)
2 AnswersPhysics1 decade agoEvaluate the integral below?
Evaluate the integral below, where E lies above the paraboloid z = 9x^2 + 9y^2 and below the plane z = 12y. Use cylindrical or spherical coordinates, whichever seems more appropriate. Use either the Table of Integrals or a computer algebra system to evaluate the integral.
3 AnswersMathematics1 decade agoFind the volume of the largest rectangular box in the first octan?
Find the volume of the largest rectangular box in the first octant with three faces in the coordinate planes and one vertex in the plane x + 2y + 3z = 7.
1 AnswerMathematics1 decade agoHow fast is the distance between the cars changing at that moment?
Car A is traveling north on Highway 16 and car B is traveling west on Highway 83. Each car is approaching the intersection of these highways. At a certain moment, car A is 80 km from the intersection and traveling at 70 km/h while car B is 60 km from the intersection and traveling at 55 km/h. How fast is the distance between the cars changing at that moment?
2 AnswersMathematics1 decade agoUse the Chain Rule to find dw/dt. (Enter your answer only in terms of t.)?
Use the Chain Rule to find dw/dt. (Enter your answer only in terms of t.)
w=ln [ (x^2 +y^2 +z^2)^1/2 ] x = sin(t) y = cos(t) z= tan(t)
2 AnswersMathematics1 decade agoUse the Chain Rule to find ∂z/∂s and ∂z/∂t. (Enter your answer only in terms of s and t.)?
Use the Chain Rule to find ∂z/∂s and ∂z/∂t. (Enter your answer only in terms of s and t.)
z = tan(u/v), u = 7s + 3t, v = 3s - 7t
1 AnswerMathematics1 decade agoAt what point do the curves r1 = < t, 5 - t, 21 + t2 > and r2 = < 7 - s, s - 2, s2 > intersect?
At what point do the curves r1 = < t, 5 - t, 21 + t2 > and r2 = < 7 - s, s - 2, s2 > intersect?
( , , )
Find their angle of intersection, θ correct to the nearest degree.
θ = °
1 AnswerMathematics1 decade agoFind an equation of the plane that passes through the line of intersection of the planes and is perpendicular?
Find an equation of the plane that passes through the line of intersection of the planes and is perpendicular to the following plane.
x - z = 2 and y + 4z = 1
x + y - 2z = 3
2 AnswersMathematics1 decade agoFind the volume of the parallelepiped?
Find the volume of the parallelepiped with adjacent edges PQ, PR, PS.
P(1, 0, -1), Q(3, 2, 0), R(2, -3, 2), S(1, -1, 0)
1 AnswerMathematics1 decade agoFind the cross product a × b. a = ‹1, 1, -1›, b = ‹3, 8, 5›?
1 AnswerMathematics1 decade agoIf a vector has the given direction angles, find the third direction angle γ. α = π/4, β = π/3?
I know one angle is pi/3. and i thought the other was 5pi/3 but it says its wrong
1 AnswerMathematics1 decade agoFind an equation of the largest sphere with the given center that is contained in the first octant. (7, 2, 9)?
Find an equation of the largest sphere with the given center that is contained in the first octant.
(7, 2, 9)
1 AnswerMathematics1 decade agoFind the distance from the given point to each of the following.?
Find the distance from the given point to each of the following.
(3, 7, -5)
(a) the xy-plane
(b) the yz-plane
(c) the xz-plane
(d) the x-axis
(e) the y-axis
(f) the z-axis
2 AnswersGeography1 decade agoFind equations of the spheres with the given center that touch the following planes.?
Find equations of the spheres with the given center that touch the following planes.
(3, -2, 4)
(a) xy-plane
(b) yz-plane
(c) xz-plane
2 AnswersMathematics1 decade ago
