Answer:
B
Explanation:
Water level remains unchanged
The first thing to realize is that the buoyancy force is the same as, or equal to the weight of the wood, this same force is also the same as or equal to the weight of the water displaced by the wood. In the two cases, the weight of the wood will be unaffected nonetheless, and thus the water level will remain the same.
Therefore, the answer is B, the water level remains unchanged.
terminal velocity ... greater speed ... acc is 10m/s/s
Answer: let north be+ and south be-
therefore, -1 km is the resultant displacement of the bird
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Magnitude of displacement = 
Adding the squares gives displacement = 
Displacement = ≈ 724.7m
Impulse, denoted as J, is defined by the change in momentum. Since we have our initial and our final, we can solve for the change in momentum.
