we are given
A cd has diameter of 120 millimeters
so, d=120mm
so, firstly, we will find radius
we can plug it
we know that
1mm=0.001m
so, we get
the angular speed is about 206 rpm
we know that
1 revolution =2pi radians
so, we get
now, we can change it into seconds
1 min =60 seconds
so, we get
now, we can find linear speed(v)
we can use formula
v=w*r
so, we can plug values
and we get
so, linear speed is 1.257 m/sec............Answer
150 - 28 = 122. 122➗5 = 24.4
Each shirt costs $24.40
Answer:
C
Step-by-step explanation:
Answer:
18:12
Step-by-step explanation:
30-18=12
18:12