Question

find this:
please explain this question briefly ​

Answer 1

Answer:

work done = change in k.E

= 1/2 mv^2 - 1/2 mu^2

= 1/2 × 20 ( 2 ^2 - 5^2 )

10 ( 4-25)

= 10× -21

= -210

work done = -210

please mark as brainliest answer

Answer 2

Answer:

Hi mate ,

Good afternoon ,

Have a awesome day ahead ✌️

Here is your answer :-

Work done = -210

Hope it help you ✌️❣️