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If R(t) Is the Position Vector of a Particle in the Plane

Question 70

Multiple Choice

If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.
-Find the velocity vector. r(t) = (cot t) i + (csc t) j


A) v = ( If r(t) is the position vector of a particle in the plane at time t, find the indicated vector. -Find the velocity vector. r(t) = (cot t) i + (csc t) j A) v = ( t) i + (cot t csc t) j B) v = ( t) i + (tan t sec t) j C) v = (- t) i - (cot t csc t) j D) v = (- t) i - (tan t sec t) j t) i + (cot t csc t) j
B) v = ( If r(t) is the position vector of a particle in the plane at time t, find the indicated vector. -Find the velocity vector. r(t) = (cot t) i + (csc t) j A) v = ( t) i + (cot t csc t) j B) v = ( t) i + (tan t sec t) j C) v = (- t) i - (cot t csc t) j D) v = (- t) i - (tan t sec t) j t) i + (tan t sec t) j
C) v = (- If r(t) is the position vector of a particle in the plane at time t, find the indicated vector. -Find the velocity vector. r(t) = (cot t) i + (csc t) j A) v = ( t) i + (cot t csc t) j B) v = ( t) i + (tan t sec t) j C) v = (- t) i - (cot t csc t) j D) v = (- t) i - (tan t sec t) j t) i - (cot t csc t) j
D) v = (- If r(t) is the position vector of a particle in the plane at time t, find the indicated vector. -Find the velocity vector. r(t) = (cot t) i + (csc t) j A) v = ( t) i + (cot t csc t) j B) v = ( t) i + (tan t sec t) j C) v = (- t) i - (cot t csc t) j D) v = (- t) i - (tan t sec t) j t) i - (tan t sec t) j

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