Answer:
perpendicular to
Explanation:
it means perpendicular to .....should u come across something like this / / , this one means parallel to .....
Answer:
Time period, 
Explanation:
Given that,
The quartz crystal used in an electric watch vibrates with a frequency of 32,768 Hz, f = 32768 Hz
We need to find the period of the crystal's motion. The relationship between the frequency and the time period is given by :

T is the time period of the crystal's motion.
Time period is given by :

So, the time period of the crystal's motion is
. Hence, this is the required solution.
Answer:
The Height of a pyramid is 4r.
Explanation:
Explanation is in the following attachments
He noticed that the outlines of the continents looked like they could fit together similar to puzzle pieces
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Answer:
It would be a square and 2d
Explanation: