Answer:
you divide the distance by the time it takes to travel that same distance, then you add your direction to it.
The answer is B for sure !
Answer:
Part a)

Part b)

Explanation:
Part a)
For force conditions of two blocks we will have


now from above equations we have


now we know that


now from above equation we have


Part b)
When heavier block is removed and F = 908 N is applied at the end of the string then we have


