Fysic Test
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Fysic Test
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Physic Test

I am studying for a physics test & need a bit of help with the following questions:?
1) Can an object be accelerating while its velocity is zero?
2) How long does it take for a dropped ball to reach the ground? I think this one is 10m/s, am I right?
3)Ignoring air resistance, does a thrown ball accelerate in the horizontal direction?
Any help is appreciated! I want to get a good grade on my test, thanks!
1) YES.
if V=0 and acceleration is - or + the object is speeding up from rest
2) So your looking for time, right? I'll need more info about distance. You know acceleration is -9.8 m/s^2 because it's in free fall, But you need to know the distance! Then you could plug it into either:
VI=VF + A(T)
Distance=VIT+1/2(A)(T)^2
3)No.
*Here's some help with veloctiy and acceleration*
VI= initial velocity A=acceleration
VI=+ A=+ SPEEDING UP
VI=- A=- SPEEDING UP
VI=+ A=- SLOWING DOWN
VI=- A=+ SLOWING DOWN
VI=- or + A=0 CONSTANT VELOCITY
VI=0 A=- or + SPEEDING UP FROM REST
VI=0 A=0 REMAINING AT REST
Hopefully this helps you out a bit ^_^ and good luck =)
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Crysis - Physics Test - Atom Bomb
If u think your physic test ur powers here!?
Whats my name?
What grade am I in?
What kind of dogs (2) do I have?
lol good luck!
Melissa
7th
A Chihuahua and a dog your really not to sure what it is.
BTW I'm not physic, just having some fun.
Phycic Test
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Double Blind Psychic test (part 1)
Phycic Test
i think i'm phycic?
i am really shocked my name is jeremy wells i am 13 years old and hen i turned 10 i started to see the future and it came true every time! and i read something that said you go through a suicidal and depressed stage i did! now i have a few questions. So how do i use it i see pictures in my mind (at certain times) and then a couple days later i see it on cnn lol! so i am trying to use them but do not know how they just happen now i need a test. everything matches up. for a lot of web pages! and this is the weirdest part my dreams are messed up! but they have content i don't want to share. now here is when i learned i was a physic a tv show called family guy lol but i have saw all the episodes but i can close my eyes and see a clip in an episode and it will play no matter what network!
Keep a dated journal of your visions, or write them down and place them in an envelope and seal it, then have a witness sign the sealed envelope, and only open it after it comes to pass. I have some intuitive visions too and I see ghosts. Becarful who you speak about it to at this age or people with think that you are not sane.
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Crash Test Dummies, " The Psychic "
What are the pros and cons of having a big family?
My mom is a kinesiologist and she can test energy's. basically like a phycic.
she is Always right with her predictions so please don't diss her.
She said the fallowing...
. I will have my first real kiss/ date when i am 15.
. I will have 5 loves in my life ( real loves, not just like fake bfs in like middle school)
. I will meet my soul mate in my 20s
. I will get married to him when i am 30
. I will have 4 kids
. I will own 2 houses and 1 vacation condo
. I will have enough money to provide for my kids.
So what i want to know is what are the pros and cons of having 4 kids?
All I can think of is the world is overpopulated and people should put real thought into the number of children they have. Also, the world is so corrupted, I'm not so sure it's a good idea to have one now anyway! I mean, if the only place your child can play is inside the house or in a parking lot... I was fortunate to be born in 1965 and my parents had land. Today I live on an acre and a half. My best friend's kids grew up in an apartment and basically know nothing of nature, which is a shame. I can't imagine the money it would take to raise 4 kids, but apparently some people can do it. I couldn't. Of course, I'm spoiled since I didn't have kids. It would be hard to "go without" now. The pros would be LOVE. Hopefully. There are no guarantees that your kids will turn out the way you want them to. OK, pros. Concentrate! You'd have somebody to hand all your assets and property down to! Help with chores! Maybe one of the four would take care of you when you're old. Me, I plan on living in a retirement community. They're pretty nice these days. In 40 more years, they oughta be fantastic! If your mom is right, you are very lucky.
Physic Test

How to remember things before a test?
I have a physics test tomorrow and I'm the tenth grade, any tips?I've finished stuying though.
Go over your notes one more time right before bed tonight. Get a good night sleep and have a healthy breakfast tomorrow. That is the best way to score well- as long as you have already studied.
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Farcry 2 Editor, physic test
Simple physic test (Level 1)?
After the aquaduct test which tricked most of you, this is a much simpler one
If a 3kW Microwave oven has 95% efficiency
How many seconds will it take to boil 200ml of water
The water is initially at ambiant temperature at 24°C
The experiment is made at normal atmospheric pressure
Assumption: no loss of energy in or through the receipient.
Please provide demonstration to get your 5 points.
This is basic physic and can be resolved through two equations.
AND MAKE SURE YOU USE THE RIGHT UNITS IN YOUR FORMULA!
3kW = 3,000 joules per second
3,000 joules x 0.95 = 2,850 joules per second
Delta T = 100C - 24C = 76C
200ml of water = 200grams of water
Specific heat of water = 4.184 j/g-C
Latent heat of vaporization of water = ~2,250j/g at sea level
Total energy needed to raise the temperature to 100C:
Q = mc(delta T) = 200g(4.184j/g-C)(76C)
Q = 63,596.8 joules
Total energy to boil 200g of water at 100C:
Q = m(LHV) = 200g(~2250j/g)
Q = 450,000 joules
A total of 513,596.8 joules
513,596.9 joules / 2,850 joules per second = 180.2 seconds
~3 minutes
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