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
18+12*4=18+48=66 ft
1st floor is 18ft
next 4 are 12ft
Answer: 19 minutes
Step-by-step explanation:
Here is the complete question:
takes Andrew 720 seconds to take a shower. He spends an additional 420 seconds eating breakfast.
How many minutes does it take Andrew to take a shower and eat breakfast?
From the question, we are told that Andrew spends 720 seconds to take a shower and also spends an additional 420 seconds eating breakfast. The total time spent by Andrew will be:
= 720 seconds + 420 seconds
= 1140 seconds
We will then convert 1140 seconds to minutes. We should note that 60 seconds = 1 minute. Therefore,
1140 seconds = 1140/60
= 19 minutes
Andrew uses 19 minutes to take a shower and eat breakfast.
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I wpuld say B...because that can be the one Delta planet
