Post Utme Crawford University 2017 Mathematics Question 27

Practice objective / multiple choice question 27 from the 2017 Post Utme Crawford University Mathematics examination.

Post Utme Crawford University 2017 Mathematics Objective / Multiple Choice
Question 27 POST_UTME_CRAWFORD_UNIVERSITY • 2017 • MATHEMATICS • objective

A particle moves in a plane with position vector \(\vec{r} t \\)\(= 2\)\cos that{i} + 3\sin that{j}). Find the velocity vector at time t = π/2.

Answer Options

Correct Answer A. \hat{i} + 3\hat{j}
B. -\hat{i} + 3\hat{j}
C. -\hat{i} - 3\hat{j}
D. \hat{i} - 3\hat{j}
Correct Answer
A
Correct Option:
\hat{i} + 3\hat{j}

About This Question

This is Post Utme Crawford University 2017 Mathematics Question 27. It is one of the objective questions from the 2017 Post Utme Crawford University Mathematics examination.

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