Answer:
26 seconds
Step-by-step explanation:
first m1v1 + m2v2
equation 8kg*3m/s+2kg
in this equation the second part the mass isn't multiplied by a speed since its a rest.
then 8*3=24seconds
next 24seconds+2kg=26seconds
0.57 m/s
Answer: 0.47
purple=9%
teal=12%
yellow=4%
Answer:In the graph you need to use quradrant 4
no need