Answer:
50m/s
Step-by-step explanation:
We assum the direction the baseball is travelling to the bat is the positive direction at 20 m/s and is hit in the opposite at a faster speed. The change in velocity is the final velocity minus the initial velocity:

The change in velocity is 50m/s
Answer:
10
Step-by-step explanation:
It makes your life easier.One way is by just adding a 0 after the number.
Ex 2*10 is 20 see what I mean.
Answer:
My thinking it will be c
Step-by-step explanation:
C look like it right to me i ask my math teacher he said it was right
Answer:
NaN -28
Step-by-step explanation: