One rotation means going once through a circular route.
One circular route means turning around by 360°
Now we know that one rotation always makes 360°.
The hard disk rotates 256 times in 1 second.
First we shall calculate the number of degrees.
In one rotation it covers 360°.
So in 256 rotations it covers 256 × 360 = 92160°
But these 256 rotations are made in one second.
So the disk passes 92160° in one second.
Answer: The hard disk passes 92160° in one second
Answer:
1/20 of 2 minutes = 6 seconds
The original number is .9
Use the equation C = 2<span>πr where r is the radius to find the circumference of the track. That is the perimeter around which she has run:
</span>C = 2<span>πr
C = 2</span><span>π(60 meters)
C = 120</span>π meters <span>≈ 377 meters</span>
Step-by-step explanation:
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