Answer:
Final speed of boat + man is 1.66 m/s
Explanation:
As we know that there is no friction on the system or there is no external force on this system
So here we can use momentum conservation here

so we have
m = 85 kg
M = 135 kg
v = 4.30 m/s
now we have


DOES GOD EXIST? That is one of the best.
It's a measure of the acceleration
Explanation:
Simply, shake the boxes. The box that is difficult to shake will be the sand and the box that will be easier will be the feathers.
Answer:
I'm pretty sure it means like getting abs and working out your stomach.
Explanation: