Answer:
Explanation:
Exercise controls weight. Exercise can help prevent excess weight gain or help maintain weight loss. ...
Exercise combats health conditions and diseases. ...
Exercise improves mood. ...
Exercise boosts energy. ...
Exercise promotes better sleep. ...
Exercise puts the spark back into your sex life. ...
Exercise can be fun … and social!
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Answer:
Your answer is wood that is what they used
Answer:
0.5 m/s
Explanation:
Using conservation of momentum, P1=P2, the system starts off with zero momentum as nothing is moving. But in the second part of the equation(P2) the child throws the package to the right. By Newton's third law, the child and the boat should move to the left. Plugging in what we know, 0= -90v + 6kg*8m/s. Solving for v you will get 0.5 meters per second. The mass is 90kg as that the is mass of the child and boat combined. I also made it negative as the boat and child move left (I designated this as the negative direction) and the package's momentum is positive as it is moving to the right.