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Grade 11Mechanics

A vector 3i^+4j^ rotates about its tail through an angle 37 degree in anti clockwise direction . express the new vector.

Profile image of tulsi brahmankar
9 Years agoGrade 11
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1 Answer

Profile image of Vikas TU
9 Years ago
Dears Student,
Given a vector as:
a=3i+4j
=>|a|=5

angle between a and x-axis = 53⁰
after rotating about 37⁰ in anticlockwise direction,
new vector = 5j (it will direct toward y axis since 53+37 = 90⁰)
Cheers!!
Regards,
Vikas (B. Tech. 4th year
Thapar University)