Answer: 17cm.
Explanation:
The equation you're using is:
Δd = df - di
Which means the change in position is equal to the final position minus the starting position. In this case that works out to 20cm - 3cm = 17cm. We're only interested in how much the snail moved, not how long it took to move, so even though they give a time it actually doesn't matter for this question.
It would be A: Have a greater height.
The higher the wave the higher the energy!
I don't memorize that number, because I always enjoy doing the calculation.
Assuming that the sun radiates equal power in all directions, the Earth receives
something like
<em> 0.000 000 045 percent</em>
of the sun's total output.
It will stay in motion unless an outside force slows it down.
709 stars are in Pegasus and Cassiopeia.