An initially stationary object experiences an acceleration of 6 m/s2 for a time of 15 s. How far will it travel during that time
1 answer:
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Answer:
the natural length of the spring is 9 cm
Explanation:
let the natural length of the spring = L
For each of the work done, we set up an integral equation;
The second equation of work done is set up as follows;
solve equation (1) and equation (2) together;
Therefore, the natural length of the spring is 9 cm
The volume of the object must be no larger than .
Explanation:
In order for an object to be able to float in water, its density must be equal or smaller than the water density.
The density of water is:
This means that the density of the object must be no larger than this value.
We also know that the density of an object is given by
where
m is the mass of the object
V is its volume
For the object in this problem, the mass is
Therefore, we can re-arrange the equation to find its volume:
So, the volume of the object must be no larger than .
Learn more about density:
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