You are LOVED and a Child of JESUS come back he has open arms God bless
After 20 s, the motorcycle attains a speed of

and it continues at this speed for the next 40 s. So at 45 s, its speed is 80 m/s.
Answer:
im pretty sure a collision is a transfer of momentum.
Explanation:
hope this helps :)
6. F- DNA
7. C
8. G
9. D
I believe these are correct, hope this helps.