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The angle between the two vectors A=3 ha...

The angle between the two vectors `A=3 hati+4hatj+5hatk` and `B=3hati+4hatj-5hatk` is

A

`90^(@)`

B

`180^(@)`

C

Zero

D

`45^(@)`

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-WORK, ENERGY AND POWER-Assignment (SECTION - C)
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  2. A Force F acting on an object varies with distance x as shown in the f...

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