Given r(t)=3ti+5t^2j+2tk, find the unit normal vector N(
Given r(t)=3ti+5t^2j+2tk, find the unit normal vector N(t) evaluated at t=0,N(0).
A lug nut is tightened by applying a 35-N
force to a 0.25-m
wrench at an angle of 85 degree
. Find the magnitude of the torque applied to the lug nut. Express your answer in newton-meters rounded to two decimal places.
Consider the parallelepiped with edges OA,OB,OC
, where A(10,16,−1) , B(−1,4,0), , and C(−9,−11,−5)
. Find the volume of the parallelepiped.
Calculate the triple scalar product w⋅(u×v) where u=⟨1,1,1⟩, v=⟨7,6,9⟩, and w=⟨4,2,7⟩
Consider the points A(2,−3,4)
, B(0,1,2)
, and C(−1,2,0)
. Find the exact area of the parallelogram with adjacent sides AB AND AC