Home
Class 11
PHYSICS
what is the dot product of two vectors o...

what is the dot product of two vectors of magnitudes 3 and 5,if angle between them is `60^@`?

A

`5.2`

B

`7.5`

C

`8.4`

D

`8.6`

Text Solution

Verified by Experts

The correct Answer is:
B
(b) We have A.B `=AB cos theta`
`=(5)(3)cos60^(@)=7.5 `
Promotional Banner

Topper's Solved these Questions

  • BASIC MATHEMATICS

    DC PANDEY|Exercise Exercise|13 Videos

  • CALORIMETRY & HEAT TRANSFER

    DC PANDEY|Exercise Level 2 Subjective|14 Videos