Answer:
A velocity-time graph shows how velocity changes over time. The sprinter's velocity increases for the first 4 seconds of the race, it remains constant for the next 3 seconds, and it decreases during the last 3 seconds after she crosses the finish line.
Answer:
<h2>The answer is 1.45 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula

From the question
mass of seawater = 250 g
volume = 173 mL
It's density is

We have the final answer as
<h3>1.45 g/mL</h3>
Hope this helps you