True or false: The graph below is that of a function?
1 answer:
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The amplitude of the sine wave with RMS value of 220 V is
A = 220√2 volts.
The sine waveform is
v(t) = 220√2 sin(2πft)
where
f = 50 Hz, the frequency.
The period is
T = 1/f = 1/50 = 0.02 s
Use a graphical solution (shown below) to determine the number of times that v(t) = 220 in the interval t = [0, 0.02] s.
There are 2 instances when the voltage is 220 V in the interval t =[0, 0.02] s.
Note that 1 second is an integral multiple of 0.02 seconds.
Therefore in the interval [0,1], the number of instances when v(t) = 220 V is
(1/0.02)*2 = 100
Answer: 100
A = 220√2 volts.
The sine waveform is
v(t) = 220√2 sin(2πft)
where
f = 50 Hz, the frequency.
The period is
T = 1/f = 1/50 = 0.02 s
Use a graphical solution (shown below) to determine the number of times that v(t) = 220 in the interval t = [0, 0.02] s.
There are 2 instances when the voltage is 220 V in the interval t =[0, 0.02] s.
Note that 1 second is an integral multiple of 0.02 seconds.
Therefore in the interval [0,1], the number of instances when v(t) = 220 V is
(1/0.02)*2 = 100
Answer: 100
Hey there!
So, from looking at this question, the bottom or the (
-axis) is 
. So, this would mean that, the (
-axis) would be (how much) each game would cost.
So, based from the option's listed above, the correct answer to this question would actually be (<span>The cost of every 1 video game rented). This would be the main and the key point of this graph, how much each game would be.
You correct answer would be . . . . . .
</span>
<span>
Hope this helps.
~Jurgen</span>
So, from looking at this question, the bottom or the (
So, based from the option's listed above, the correct answer to this question would actually be (<span>The cost of every 1 video game rented). This would be the main and the key point of this graph, how much each game would be.
You correct answer would be . . . . . .
</span>
<span>
Hope this helps.
~Jurgen</span>