Question

Question 3. What are the dimensions of energy?
1. [L][T
!2
]
2. [M ][L][T
!2
]
3. [M ][L2
][T
!2
]
4. [M ][L2
][T
!3
]
5. None of the above

@wio

Answer 1

okay, do you remember the units for energy?

Do you remember any formula for energy?

Answer 2

[M][L]2[T]-2

Answer 3

That looks right.

Answer 4

non of the above

Answer 5

ans 5

Answer 6

I guess.

Answer 7

3. [M ][L2 ][T !2]
What if it was [M ][L2 ][T -2]. then it would be similar to what you put.

Answer 8

so sorry, ya u think right

Answer 9

Thanks I got it now :)

Answer 10

\[W=F.S = \left[ MLT^-2 \right] \left[ L \right] =\left[ ML^2T^-2 \right]\]