we are given
A cd has diameter of 120 millimeters
so, d=120mm
so, firstly, we will find radius
![r=\frac{d}{2}](https://tex.z-dn.net/?f=r%3D%5Cfrac%7Bd%7D%7B2%7D)
we can plug it
![r=\frac{120}{2}mm](https://tex.z-dn.net/?f=r%3D%5Cfrac%7B120%7D%7B2%7Dmm)
![r=60mm](https://tex.z-dn.net/?f=r%3D60mm)
we know that
1mm=0.001m
so, we get
![r=60*0.001m](https://tex.z-dn.net/?f=r%3D60%2A0.001m)
![r=0.06m](https://tex.z-dn.net/?f=r%3D0.06m)
the angular speed is about 206 rpm
we know that
1 revolution =2pi radians
so, we get
![w=200*2\pi rad/min](https://tex.z-dn.net/?f=w%3D200%2A2%5Cpi%20rad%2Fmin)
now, we can change it into seconds
1 min =60 seconds
so, we get
![w=200*2\pi *\frac{1}{60} rad/sec](https://tex.z-dn.net/?f=w%3D200%2A2%5Cpi%20%2A%5Cfrac%7B1%7D%7B60%7D%20rad%2Fsec)
![w=20.94395 rad/sec](https://tex.z-dn.net/?f=w%3D20.94395%20rad%2Fsec)
now, we can find linear speed(v)
we can use formula
v=w*r
so, we can plug values
and we get
![v=20.94395*0.06 m/sec](https://tex.z-dn.net/?f=v%3D20.94395%2A0.06%20m%2Fsec)
![v=1.256637 m/sec](https://tex.z-dn.net/?f=v%3D1.256637%20m%2Fsec)
so, linear speed is 1.257 m/sec............Answer
Answer:
y=72.53 square root x
Step-by-step explanation:
did it on edge
Answer:
Step-by-step explanation:
567384.mm on a clearance on the motorcycle
Answer: The answer is 7 ( x + 3 ).
Step-by-step explanation:
So we are given in word-form this equation:
seven times the sum of a number and three
We can rewrite this as:
7 times ( number + 3)
This number can be rewritten as a variable. Take any variable of your pick. I'll use x because that's one of the most used variables.
7 ( x + 3 )
There you go! Finished.
The answer is B) rotation 90 degrees counterclockwise about the origin