Question

if the magnitude of vector A B and C are 3 4 and 5 minut and a + b equal to C then what is the angle between a and b​

Answer 1

Explanation:

Let

x

ˉ

=30 units

B

ˉ

=44 unit

c

ˉ

=5 units

A+B=C

′

squaring m both side

(A+B)

2

=C

2

=1

A

2

+B

2

+2ABcosθ=C

2

3

2

+4

2

+2×3×4cosθ=5

2

24cosθ=25−25

cosθ=0/2

cosθ=0

θ=cos

−1

(0)=90

o

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