<span>You can drag a(n) bar which is the border to the right of a column, until the column is the desired width.
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<span>It rather depends on your definition of "machine". The normal physics set of simple machines - levers, pulleys, ramps all give you increased force at the expense of reduced speed or increased speed at the expense of reduced force.
So, no - by definition a machine is an arrangement for multiplying one while paying the cost by reducing the other. You are looking at an example of the Conservation of Energy... one of the giant rules we are pretty sure cannot be violated.</span>
Answer:
The independent variable is what you, the scientist, changes, and it causes the dependent variable to change.
Explanation:
solution:
the pressure difference is
P2 - P1 = (F/A)