Homework Statement
Homework Equations
none
The Attempt at a Solution
Here is my attempted answer, can someone please tell me if I did this correctly, thank you :)
22.
Final electron receptor molecule involved in aerobic respiration:
* the electron transport chain relies on oxygen to keep...
Homework Statement
Hi, I'm doing a biology course online and i'm specifically learning biochemistry right now. I'm having a problem with the following question related to one type of passive transport in a cell: this being osmosis. This question relates to measuing osmosis (isotonic...
Hello,
I was told that I could post questions related to Financial Accounting Fundamentals on the Pre-calculas Math section of Physics Forum. But everytime I post questions related to this topic, I don't get any replies or help. Am I posting in the wrong category??
Homework Statement
Use a journal to prepare end-of-month adjusting entries for June 30th, 20-- for the following. The accounting period is one month.
a) The balance in the supplies account is $865. Inventory taken at the end of the month shows supplies on hand worth $349.
b) The beginning...
Homework Statement
Homework Equations
no equations required
3. The Attempt at a Solution
a)
so for part c) i came up with two formula's for the tortoise series:
the first formula (for the toroise series) is Sn = 20n This formula makes sense and agrees with part a). for example, if the...
Homework Statement
prove the following identity [/B]
Homework Equations
no equations required
The Attempt at a Solution
I've been trying to prove this identity, but no matter what I do, I can't seem to make both sides the same
here is my answer to this qts so far: can someone please tell me...
Homework Statement
I am doing a course called Financial Accounting Fundamentals (BAF3M-B) and I was told that physics forum provides help with qts related to this subject.
Anyways,
Here is the question I'm having trouble with: Sorry if the scanned version is a bit blurry :P
a)...
I'm having trouble with a few questions from this course called Financial Accounting fundamentals gr.11. Does anyone know if physicsforum answers qts related to this subject??
I'm a homeschooler, so I don't receive any help from teachers, tutors, etc...
Thanks.
Homework Statement
Homework Equations
no equations required
The Attempt at a Solution
[/B]
a)
The number of hours of daylight is a periodic relationship, because it repeats the same wave-like pattern over the course of 1-2 years.
b)
the period is the amount of time it takes for one cycle...
Homework Statement
Homework Equations
A = P(1+i)^n
The Attempt at a Solution
Here is my attempted solution, can someone please verify if my method is correct!
Thanks in advance![/B]
Homework Statement
Homework Equations
The Attempt at a Solution
here is my attempted answer, can someone please verify if my method is accurate and if my solution is correct? thanks for the help!
Homework Statement
im trying to understand how a car muffler works??
this is the pic that was in my lesson for a car muffler.
Homework Equations
no equations required
The Attempt at a Solution
i understand its purpose, i know its used in cars to dampen the noise produced by the gas coming...
Homework Statement
Can someone explain what regenerative breaking is?
Homework Equations
no equations required
The Attempt at a Solution
I understand that this occurs with electric cars. It uses the idea that the electric motor and the electric generator are so similar. But how does the...
Homework Statement
Homework Equations
no equations required
3. The Attempt at a Solution
so here are my answers, can some please verify if these are correct. Thanks in advance :)
a) i have no idea if im labelling the poles correctly, or if the induced current is in the right direction , any...
Homework Statement
Homework Equations
no equations required
The Attempt at a Solution
can someone please verify if my answer is correct. Thanks!
I used the right-hand rule for the motor principle (although another tutor on physics forum told me that its supposed to be the 'left-hand rule'...
Homework Statement
im trying to understand how an electric generator works
Homework Equations
no equations required
The Attempt at a Solution
here is a diagram of an electric generator, and a small section of what my lesson was trying to explain:
[/B]
so this was the explanation from my...
Homework Statement
Homework Equations
no equations required
The Attempt at a Solution
so here are my answers, i just want to know if they are correct.
also, im really confused about the function of the commutator in the DC motor, the answer i wrote for part b) was based on research off...
Homework Statement
Homework Equations
Cost = rate x energy consumption (kWh)
Energy consumption = power (kW) x total time (hrs)
The Attempt at a Solution
so here are my answers, can someone please verify if these are correct, thanks!
a)
To calculate power:
There are fifteen 100 W...
Homework Statement
Homework Equations
equations listed below in chart
The Attempt at a Solution
here is my answer, i just need to know if im doing this correctly, thanks :)[/B]
Homework Statement
Homework Equations
Ohm's Law
R = V/I
V = IR
The Attempt at a Solution
here is my answer, i have a feeling im missing something, any help would be appreciated.[/B]
The graph represents a linear relationship between the potential difference (V) and the current (A). By...
Homework Statement
Homework Equations
relevant equations listed with each question
The Attempt at a Solution
a)
to solve for the power output of the heater, i used the following equation: Power = Energy/time
i already know that Energy = Quantity
so based on this, i can solve for Q = mass(ice)...
Homework Statement
So i have an idea of what im supposed to do, but i dont know if im on the right track, Any help would be appreciated! Thanks in advance :)
Homework Equations
relevant equations are listed below with each question
3. The Attempt at a Solution
d) yearly energy cost
ok so...
Homework Statement
Homework Equations
no equations required
The Attempt at a Solution
i already answered the question, but i just want to know if i wrote the right direction for the Fnet.
is it [N 10 W] or [W 10 N]?[/B]
this is how i wrote it:
Fnet: 1165 N [N 10 degrees W]
Homework Statement
Homework Equations
no equations required
The Attempt at a Solution
ok so i collected some information about bob-sledding, but i don't know if i've identified the role that friction plays for the athlete and their shoes in the sport, and i've only come up with one...
Homework Statement
[/B]
Homework Equations
d = v1(t) + ½ a (t)^2
Newtons second Law
The Attempt at a Solution
ok, so i know that once the puck leaves the stick, the only force acting on it would be the frictional force (1.0 N). From reading other forums, i guess i need to calculate the...
Homework Statement
Homework Equations
relevant equations are provided with each question below
The Attempt at a Solution
please check my solutions to ensure they are correct. thanks.
a) [/B]
b)
Calculate net force:
Fnet = FA + Ff + Fg
Fnet = (1.20 x 104 N [up]) + (1.40 x 103 N [down])...
Homework Statement
so im sending my unit in for marking, and i collected a bunch of kinematic related questions that i've attempted to answer, but dont know if im on the right track. Any help would be appreciated. Thanks.
1.[/B]
2.
3.
4.
5.
Homework Equations
relevant equations are...
Homework Statement
I'm really having a hard time with this question, i posted the same question on another forum, but didn't really understand what the teacher was trying to say, please explain for me.
thank you :)
a) Calculate the time per mode of transport of the lettuce from each starting...
Homework Statement
Homework Equations
relevant equations are listed with each question
The Attempt at a Solution
25. **
Displacement = 131 km (South)
Average velocity = total displacement / total time
Average velocity = 131 km (S) / 2.0 h
Average velocity = 65.5 km /h (south)
26. **...