Problem 102E: Find the arc length of the curve on the given interval. 102. r(t)=t2i+14tj,0t7 . This portion of the... Problem 103E: Find the arc length of the curve on the given interval. 103. r(t)=t2i+(2t2+1)j,1t3 Problem 104E: Find the arc length of the curve on the given interval. 104. r(t)=2sint,5t,2cost,0t . This portion... Problem 105E: Find the arc length of the curve on the given interval. 105. r(t)=t2+1,4t3+3,1t0 Problem 106E: r(t)=etcost,etsint over the interval [0,2] . Here is the portion of the graph on the indicated... Problem 107E: Find the length of one turn of the helix given by r(t)=12costi+12sintj+34tk. Problem 108E: Find the arc length of the vector-valued function r(t)=ti+4tj+3tk over s [0,1] . Problem 109E: A particle travels in a circle with the equation of motion r(t)=3costi+3sintj+0k . Find the distance... Problem 110E: Set up an integral to find the circumference of the ellipse with the equation r(t)=costi+2sintj+0k . Problem 111E: Find the length of the curve r(t)=2t,et,et over the interval 0t1 . The graph is shown here: Problem 112E: Find the length of the curve r(t)=2sint,5t,2cost for t[10,10] . Problem 113E: The position function for a particle is r(t)=acos(t)i+bsin(t)j. Find the unit tangent vector and the... Problem 114E: Given r(t)=acos(t)i+bsin(t)j , find the binormal vector B(0) . Problem 115E: Given r(t)=2et,etcost,etsint , determine the tangent vector T(t) . Problem 116E: Given r(t)=2et,etcost,etsint , determine the unit tangent vector T(t) evaluated at t=0 . Problem 117E: Given r(t)=2et,etcost,etsint , find the unit normal vector N(t) evaluated at t=0 , N(0) . Problem 118E: Given r(t)=2et,etcost,etsint , find the unit normal vector evaluated at t=0 . Problem 119E: Given r(t)=ti+t2j+tk . find the unit tangent vector T(t) . The graph is shown here: Problem 120E: Find the unit tangent vector T(t) and unit normal vector N(t) at t=0 for the plane curve... Problem 121E: Find the unit tangent vector T(t) for r(t)=3ti+5t2j+2tk Problem 122E: Find the principal normal vector to the curve r(t)=6cost,6sint at the paint determined by t=/3 . Problem 123E: Find T(t) for the curve r(t)=(t34t)i+(5t22)j . Problem 124E: Find N(t) for the curve r(t)=(t34t)i+(5t22)j . Problem 125E: Find the unit normal vector N(t) for r(t)=2sint,5t,2cost . Problem 126E: Find the unit tangent vector T(t) for r(t)=2sint,5t,2cost . Problem 127E: Find the arc length function s(t) for the line segment given by r(t)=33t,4t . Write r as a parameter... Problem 128E: Parameterize the helix r(t)=costi+sintj+tk using the arc-length parameter s, from t=0 . Problem 129E: Parameterize the curve using the arc-length parameter s, at the point at which t=0 for... Problem 130E: Find the curvature of the curve r(t)=5costi+4sintj at t=/3 . (Note: The graph is an ellipse.) Problem 131E: Find the x-coordinate at which the curvature of the curve y=1/x is a maximum value. Problem 132E: Find the curvature of the curve r(t)=5costi+5sintj . Does the curvature depend upon the parameter t... Problem 133E: Find the curvature k for the curve y=x14x2 at the point x=2 . Problem 134E: Find the curvature k for the curve y=13x3 at the point x=1 . Problem 135E: Find the curvature k of the curve r(t)=ti+6t2j+4tk . The graph is shown here: Problem 136E: Find the mature of r(t)=2sint,5t,2cost . Problem 137E: Find the curvature of r(t)=2ti+etj+etk at point P(0,1,1) . Problem 138E: At what point does the curve y=ex have maximum curvature? Problem 139E: What happens to the curvature as x on for the curve y=ex ? Problem 140E: Find the point of maximum curvature on the curve y=lnx . Problem 141E: Find the equations of the normal plane and the osculating plane of the curve... Problem 142E: Find equations of the osculating circles of the ellipse 4y2+9x2=36 at the points (2,0) and (0,3) . Problem 143E: Find the equation for the osculating plane at point t=/4 on the curve r(t)=cos(2t)i+sin(2t)j+t . Problem 144E: Find the radius of curvature of 6y=x3 at the point (2,43) . Problem 145E: Find the curvature at each point (x,y) on the hyperbola r(t)=acosh(t),bsinh(t) . Problem 146E: Calculate the mature of the circular helix r(t)=rsin(t)i+rcos(t)j+tk . Problem 147E: Find the radius of curvature of y=ln(x+1) at point (2,ln3) . Problem 148E: Find the radius of curvature of the hyperbola xy=1 at point (1,1) . Problem 149E: A particle moves along the plane curve C described by r(t)=ti+t2j . Solve the following problems.... Problem 150E: A particle moves along the plane curve C described by r(t)=ti+t2j . Solve the following problems.... Problem 151E: A particle moves along the plane curve C described by r(t)=ti+t2j . Solve the following problems.... Problem 152E: The surface of a large cup is formed by revolving the graph of the function y=0.25x1.6 from x=0 to... Problem 153E: The surface of a large cup is formed by revolving the graph of the function y=0.25x1.6 from x=0 to... Problem 154E: The surface of a large cup is formed by revolving the graph of the function y=0.25x1.6 from x=0 to... format_list_bulleted