Kinematics Question 27

Question: The magnitudes of vectors A,B and C are 3, 4 and 5 unit respectively. If A+B=C , the angle between A and B it’s [CBSE PMT 1990]

Options:

A) π2

B) cos1(0.6)

C) tan1(75)

D) π4

Show Answer

Answer:

Correct Answer: A

Solution:

C=A2+B2 = 32+42=5
Angle between A and B is π2



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक