Answer:
intinal speed should be 10
Explanation:
v = v0 + at
30 = v0 +10.2
then v0= 10
J.J. Thompson is the scientist who recieved credit for discovering them.
im a bit confused on what the question is:(
if its just asking for the total number of km traveled it would be 21 km
Answer:
I found this don't know if its any use or not
