Kinematics Question 277

Question: The area of the parallelogram represented by the vectors A=2i^+3j^ and B=i^+4j^ it’s

Options:

A) 14 unit

B) 7.5 unit

C) 10 unit

D) 5 unit

Show Answer

Answer:

Correct Answer: D

Solution:

|A×B| = |(2i^+3j^)×(i^+4j^)|

= |5k^| = 5 unit



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