The answer is
C. periodic fluctuations in the intensity if sound waves.
To get the best possible answer. (sorry if im wrong)
the halogens is group 17,,
Answer:
it's C (this is not a guess)
The spider will cross the driveway <u>25.71 in seconds</u>.
Why?
It's a conversion problem, so, in order to solve it, we need to convert the units of the given information.
Let's convert the given speed (in cm/s) to m/s.
We know that:
So, converting we have:
Then, calculating the time, we have:
We have that the spider will cross the driveway in 25.71 seconds.
Have a nice day!