Calculus

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Find and for the circular motion described by r(t) = (cos bt) i + (sin bt) j. Started by Evvie72	1 Replies 62 Views	May 27, 2021 by yotaSR5
Find the unit normal vector (t) for the circle r = . Started by NguyenJ	1 Replies 59 Views	May 27, 2021 by hollysheppard095
Find the unit tangent vector (t) for the circle r = . Started by oliviahorn72	1 Replies 64 Views	May 27, 2021 by todom5090
A parametric representation of the curve of intersection of the two surfaces 4x2 + y2 +z2 = 8 and is ... Started by RYAN BANYAN	1 Replies 71 Views	May 27, 2021 by ladyjames123
Reparametrize the curve r = (et cos t) i + (et sin t) j + et k in terms of arc length s measured ... Started by londonang	1 Replies 61 Views	May 27, 2021 by 1_Step_At_ATime
Reparametrize the circular helix r = (cos t) i + (sin t) j + t k in terms of arc length measured from t = 0. Started by DelorasTo	1 Replies 214 Views	May 27, 2021 by C.mcnichol98
Parametrize the curve of intersection of the cylinder y = 1 - x2 and the plane z = - x using as ... Started by elizabeth18	1 Replies 59 Views	May 27, 2021 by jazzlynnnnn
Find the length of the curve r(t) = (t2 sin t) i + (t2 cos t) j + 2t k for 0 t 2. Started by tth	1 Replies 88 Views	May 27, 2021 by dellikani2015
Find the perimeter of the astroid curve x = 2 cos3 , y = 2 sin3 . Started by serike	1 Replies 60 Views	May 27, 2021 by mfedorka
Parametrize the parabola in which the plane z = 1 + y intersects the cone x2 + y2 = z2 using x as ... Started by itsmyluck	1 Replies 58 Views	May 27, 2021 by alexisweber49
Find a parametrization of the ellipse in which the plane z = 3y intersects the cylinder x2 + y2 = 4, ... Started by Tirant22	1 Replies 69 Views	May 27, 2021 by tandmlomax84
Which of the following parametrize the circle x2 + y2 - 4y = 0 with clockwise orientation?(a)r = (2 ... Started by JGIBBSON	1 Replies 66 Views	May 27, 2021 by vish98
You are at the origin in the xy-plane. At time t = 0 an incoming missile is at position (1000, 500) ... Started by mwit1967	1 Replies 105 Views	May 27, 2021 by tjayeee
Solve the initial-value problem = k r with initial condition r(0) = i + 2j + 3k. Describe the solution curve. Started by amal	1 Replies 128 Views	May 27, 2021 by alexanderhamilton
A ball of ice having mass 100 g at time t = 0 s is melting, and therefore losing mass, at a steady ... Started by HCHenry	1 Replies 291 Views	May 27, 2021 by aburgess
A particle moves around the elliptical cylinder 2 + 2 = 1 in such a way that its position at time t ... Started by vicotolentino	1 Replies 101 Views	May 27, 2021 by covalentbond
True or False: If u and v are differentiable functions of t, then (u(t) v(t)) = u(t) + v(t) Started by abc	1 Replies 77 Views	May 27, 2021 by swimkari
Assuming u(t) has continuous derivatives of all required orders, simplify the expression. Started by krzymel	1 Replies 91 Views	May 27, 2021 by joshraies
Suppose the position vector r(t) of an object moving in 3-space and the corresponding velocity and ... Started by imowrer	1 Replies 64 Views	May 27, 2021 by asdfasdf
The position of a particle at time t is given by r = (cos t) i + (sin t) j + t k. Find the speed and ... Started by mikaylakyoung	1 Replies 95 Views	May 27, 2021 by ilianabrrr
Suppose that the position r(t) and velocity v(t) of a moving object satisfy r(t) v(t) = 0 for all ... Started by V@ndy87	1 Replies 69 Views	May 27, 2021 by missalyssa26
At a certain instant a moving object has velocity v = 2i - 3j - k (in cm/s) and acceleration . How ... Started by rachel9	1 Replies 60 Views	May 27, 2021 by thall411
An object is moving to the right in the xy-plane along the curve y = x2. At the instant when it is ... Started by robinn137	1 Replies 61 Views	May 27, 2021 by makaylafy
A particle is moving to the right with constant speed 2 along the curve y = cos x in the xy-plane. ... Started by panfilo	1 Replies 73 Views	May 27, 2021 by al
Find an equation of the line tangent to the parametric space curve r(t) = (t2 + 3t + 1) i + (2 - 7t ... Started by Haya94	1 Replies 83 Views	May 27, 2021 by Missbam101