If F=4i+5j and S=3i+6k then what is the work done
Answers
Answered by
2
W= F×S
=(4i+5j) × ( 3i+6k)
=| i. j. k. |
| 4 5. 0. |
| 3. 0. 6 |
= (30-0) i - (24-3) j +(0-15)k
= 30i -21j -15 k
NayyarSultana:
Thnx
Similar questions