ANSER ALL QUESTIONs

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Zryinyvivn

Mathematics

Description

UNIVERSITY OF THE DISTRICT OF COLUMBIA Division of Biology, Chemistry, Mathematics, and Physics University Physics I Summer Session 1 -2017 SAMPLE TEST # 3

NOTE: ANSER ALL QUESTIONS) 1. a. Provide a mathematical definition of work. b. What is the unit of work in the MKS system of units? c. The vectors A and B are given by: A = 2i + 3j and B = –2i + 2j. Determine the vector cross product A x B. d. The vectors A and B are given by: A = 2i + 1j and B = –2i + 4j. Determine the scalar dot product A . B. Find the angle between A and B.

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Explanation & Answer

A) Work can be expressed by the following equation. W = F • d • cos Θ where F is theforce, d is the...


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