FirdUne x, y, and t component of F. Find the projechton of F along a line...
F12-18. A particle travels along a straight-line path y 0.5x. If the x component of the particle's velocity is vr= (2) m/s, where t is in seconds, determine the magnitude of the particle's velocity and acceleration when = 4 s. y =0.5x Prob. F12-18 F12-19. A particle is traveling along the parabolic path y 0.25x. If x 8 m. , 8 m/s, and a, 4 m/s2 when 2 s. determine the magnitude of the particle's velocity and acceleration at this...
Given the function f(r.y) lim f(x, y) (ry)-+(0,0) a. Evaluate iii. Along the line y= r: i. Along the r-axis: iv. Along y12 ii. Along the gy-axis: ,f(x, y) exist? If yes, find the limit. If no, explain why not. lim (a.)-(0,0) b. Does (0,0)? Why or why not? c. Is f continuous at d. The graphs below show the surface and contour plots of f (graphed using WolframAlpha). Explain how the graphs explain your answers to parts (a)-(c) above....
The magnitude of the force vector F is 75.6 newtons. The x component of this vector is directed along the +x axis and has a magnitude of 67.2 newtons. The y component points along the +y axis. Find the direction of F relative to the +x axis in degrees.Find the component of F (in Newtons), in the previous question, that points along the +y axis.
13. (10 points) (a): Find the line integral of f(x, y, z) = x+y+z over the straight-line segment from (1,2,3) to 0,-1,1). (b): Find the work done by F over the curve in the direction of increasing t, where F=< x2 + y, y2 +1, ze>>, r(t) =< cost, sint,t/27 >, 0<t<27.
Evaluate the line integral f F dr for the vector field F(x, y, z) curve C parametrised by Vf (x, y, z) along the with tE [0, 2 r() -(Vt sin(2πt), t cos (2πi), ?) , Evaluate the line integral f F dr for the vector field F(x, y, z) curve C parametrised by Vf (x, y, z) along the with tE [0, 2 r() -(Vt sin(2πt), t cos (2πi), ?) ,
If you apply a force F with the x component =-9.17 N and the y component = 1.3 N on a car which moves along the x-axis by a displacement of 3.08 m. What is the work done on the car by your force in J?
a) Find x-component of a⃗ = (9.5 m/s2, negative x-direction).b) Find y-component of a⃗ = (9.5 m/s2, negative x-direction).c) Find x-component of v⃗ = (540 m/s, 30 ∘ below the positive x-axis).d) Find y-component of v⃗ = (540 m/s, 30 ∘ below the positive x-axis).e) Find x-component of r⃗ = (11 m, 52 ∘ above the positive x-axis).f) Find y-component of r⃗ = (11 m, 52 ∘ above the positive x-axis).
17 marks] Consider the functionf(x, y) = (y - 1) (x- 1). (a) Find a unit normal vector to the contour line given by f=0.5 at the point (x,y) (1.5,2). Do not forget to check that this point is on the contour line. (b) Consider the curve L given by r(t) = 2ti+3tj with 0 ts1 and the Cartesian basis vectors i= (1,0) and j= (0,1) of R2. Determine using the chain rule and use this result to determine all...
(15 points) Find the work done by F(x, y) = yi + x^j along the path C parametrized by r(t) = + i + t*j when moving from the point (4, 5) to (6:8).
(I point) Let F=21+(z + y) j + (z _ y + z) k. (1+4t). y = 4 + 2t, z = _ (1+t). Let the line l be x =- (a) Find a point P-(zo, 30, zo) where F is parallel to 1. Find a point Q (which F and I are perpendicular. Q= and l are perpendicular Give an equation for the set of all points at which F and l are perpendicular. equation: (I point) Let F=21+(z...