A cylinder with a radius of 1.8 cm is floating in water as shown below. The mass of the cylinder is 1.80 kg. Calculate the depth
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Answer:
Explanation:
To express the cheetah's top speed in miles per hour, we just need to find the conversion factor.
We know that the top speed is
So, we want to obtain miles from meters and hours from seconds.
<h3>miles from meters</h3>First we write the equivalence:
Now, we can divide by 1609.34 meters on both sides:
The left sides equals 1, so
And this is our conversion factor from meters to miles. Now, we can multiply our top speed by this conversion factor, as the conversion factor equals one, and is dimensionless, the physical meaning will be the same.
This is the top speed in miles per second, now, for obtaining miles per hour:
<h3>hours from seconds</h3>We can do pretty much the same, first, the equivalence:
as the seconds are dividing in the velocity, we know divide by 1 hour.
and know we just multiply our top speed by this conversion factor