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cricket20 [7]
3 years ago
5

Good Morning. Can you help me on this question please?

Engineering
2 answers:
AnnyKZ [126]3 years ago
8 0

Answer:

b

Explanation:

MatroZZZ [7]3 years ago
7 0

Answer:

The correct answer is C

Explanation:

because sound waves travel through solids fastest.

You might be interested in
Given V1 = 8 vpp, R1 = 6 kΩ, V2 = 5 vpp, R2 = 3 kΩ, V3 = 10 vpp, R3 = 3 kΩ, and Rf = 14 kΩ, find Vout. Vout = vpp. (Round your a
iragen [17]

Answer:

Vout= 93.3V

Explanation:

For this question, consider circuit in the attachment 1.

This is the circuit of an inverting amplifier. In an inverting amplifier

Vout/Vin= -Rf/Rin

To calculate the Vout, we must find Rin and Vin. For this we must solve the input circuit (attachment 2)  using  Thevinine theorem. Thevnine theorem states that all voltage sources in a circuit can be replaced by an equivalent voltage source Veq and and all resistances can be replaced by an equivalent resistance Req. To find out Req all voltage sources must be short circuited (attachment 3)

1/Req= 1/R1+1/R2+1/R3

1/Req=1/6+1/3+1/3

Req=6/5

To find out Veq consider circuit in attachment 4. We will solve this circuit using nodal analysis. In nodal analysis, we use the concept that sum of currents entering a node is equal to the sum of currents leaving a node. So,

I1= I2+I3

(10-Veq)/6= (Veq-5)/3+(Veq-10)/3

Veq=8V

Now the input circuit can be simplified as shown in attachment 5. Solve for Vout using equation

Vout/Veq= -Rf/Req

Vout/8= -14/(6/5)

Vout= - 93.3

It is at an angle of 180° from Veq

7 0
3 years ago
Which term defines the amount of mechanical work an engine can do per unit of heat energy it uses?
skad [1K]

Answer:

d

Explanation:

is the because that's the amount of work in making machine can do producing heat

7 0
4 years ago
Consider the following incomplete code segment, which is intended to print the sum of the digits in num. For example, when num i
ValentinkaMS [17]

Answer:

A) while (num >= 0)

Explanation:

To understand why we need to focus on the module and division operation inside the loop. num % 10 divide the number by ten and take its remainder to then add this remainder to sum, the important here is that we are adding up the number in reverse order and wee need to repeat this process until we get the first number (1%10 = 1), therefore, num need to be one to compute the last operation.

A) this is the correct option because num = 1 > 0 and the last operation will be performed, and after the last operation, num = 1 will be divided by 10 resulting in 0 and 0 is not greater than 0, therefore, the cycle end and the result will be printed.

B) This can not be the option because this way the program will never ends -> 0%10 = 0 and num = 0/10 = 0

C) This can not be the option because num = 1 > 1 will produce an early end of the loop printing an incomplete result

D) The same problem than C

E) There is a point, before the operations finish, where sum > num, this will produce an early end of the loop, printing an incomplete result

6 0
3 years ago
For this assignment, you will write a program to determine the time and date corresponding to an elapsed number of seconds since
Karolina [17]

A Python program should be written to produce output that corresponds to the given hour, minute, second, day of the month, month's name, year, and day of the week's name.

present_year=2016

present_month="January"

present_date="1"

present_day="Friday"

present_hour=0

present_minute=0

present_second=0

input<-from user(seconds)//taking imput from the user using Python program

   total_seconds=input

   //checking with seconds

   if(total_seconds<60)

       present_second+=total_seconds

   else

       total_minutes=total_seconds/60

       remaining_seconds=total_seconds-total_minutes*60

       present_second+=remaining_seconds

   //checking with minutes

   if(total_minutes<60)

       present_minute+=total_minutes

   else

       total_hours=total_minutes/60

       remaining_minutes=total_minutes-total_hours*60

       present_minute+=remaining_minutes

   //checklng with hours

   if(total_hours<24)

       present_hour+=total_hours

   else

       total_days=total_hours/24

       remaining_hours=total_hours-total_days*24

       present_hour+=remaining_hours

   //checking with days

   total_weeks=total_days/7

   remaining_day=total_days-total_weeks*7

   switch(remaining_day)

       case 1:

           present_day="Friday"

       case 2:

           present_day="Saturday"

       case 3:

           present_day="Sundayday"

       case 4:

           present_day="Monday"

       case 5:

           present_day="Tuesday"

       case 6:

           present_day="Wedday"

       case 7:

           present_day="Thursday"

   //checking with years    

   if(total_days>366)

       while(total_days)

           if(present_year%4==0)

               total_days-=366

               present_year+=1

           if(present_year%4!=4)

               total_days-=365

               present_year+=1

           if(present_year%4!=0&&total_days<365)

               break;

           if(present_year%4==0&&total_days<366)

               break;

   //checking with months and date

   if(total_days<=366)

       while(total_days)

           if(present_month="January")

               present_date++

               total_days--

               if(present_date==31)

                   present_month="February"

                   present_date=0

           if(present_month="February")

               present_date++

               total_days--

               if(present_date==28&&present_year%4!=0)

                   present_month="March"

                   present_date=0

               if(present_date==29&&present_year%4==0)

                   present_month="March"

                   present_date=0

           if(present_month="March")

               present_date++

               total_days--

               if(present_date==31)

                   present_month="April"

                   present_date=0        

           if(present_month="April")

               present_date++

               total_days--

               if(present_date==30)

                   present_month="May"

                   present_date=0        

           if(present_month="May")

               present_date++

               total_days--

               if(present_date==31)

                   present_month="June"

                   present_date=0        

           if(present_month="June")

               present_date++

               total_days--

               if(present_date==30)

                   present_month="July"

                   present_date=0    

           if(present_month="July")

               present_date++

               total_days--

               if(present_date==31)

                   present_month="August"

                   present_date=0    

           if(present_month="August")

               present_date++

               total_days--

               if(present_date==31)

                   present_month="September"

                   present_date=0        

           if(present_month="September")

               present_date++

               total_days--

               if(present_date==30)

                   present_month="October"

                   present_date=0    

           if(present_month="October")

               present_date++

               total_days--

               if(present_date==31)

                   present_month="November"

                   present_date=0    

           if(present_month="November")

               present_date++

               total_days--

               if(present_date==30)

                   present_month="December"

                   present_date=0

           if(present_month="December")

               present_date++

               total_days--

               if(present_date==31)

                   present_month="January"

                   present_date=0

//printing present time

print present_hour:present_minute:present_second present_date present_month present_year present_day          

Learn more about Python program here:

brainly.com/question/28691290

#SPJ4          

3 0
1 year ago
Activity
Sphinxa [80]

Answer:

yo do you still need an

answer

Explanation:

6 0
4 years ago
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