Question

In a scientific experiment the independent variable

Is changed by the scientist.
Is kept the same during an experiment.
Is used as a standard for comparison.
Is also called the control

Answer 1

I need some help

Answer 2

is changed by the scientists

Answer 3

Thank you very much

Answer 4

no problem

Answer 5

Also

Answer 6

What is the answer to this

Answer 7

The first seismic waves to form in an earthquake are the

S waves
L waves
P waves
Static waves

Answer 8

P waves right

Answer 9

let me check

Answer 10

Ok

Answer 11

yes you're right :p

Answer 12

Thanks

Answer 13

One more thing

Answer 14

ok

Answer 15

If the number of waves passing a point each second goes up, the frequency

Does not change
Goes up
Goes down
Can go up or down

Answer 16

Does that mean it goes up

Answer 17

im checking

Answer 18

Ok

Answer 19

doesnt change i think

Answer 20

Are you sure

Answer 21

...i think

Answer 22

Ok

Answer 23

Thank you

Answer 24

no wait

Answer 25

Ok

Answer 26

this is science of seismic waves right?

Answer 27

Yes

Answer 28

is it every second the amplitude increases:
http://www.bbc.co.uk/bitesize/standard/physics/telecommunications/communication_using_waves/revision/5/

Answer 29

So what is the answer

Answer 30

go up or down

Answer 31

not 100% but i think that it doesn't change

Answer 32

go up or down

Answer 33

Does it change or go up or down

Answer 34

I am confused

Answer 35

up down

Answer 36

because every second the line goes up and down so it happens every second and doesnt change

Answer 37

Ok but the frequency increases it does not change the wave

Answer 38

wave stay same

Answer 39

Ok thank you

Answer 40

frequncy change

Answer 41

so staying the same means it doesnt change right?

Answer 42

Yes

Answer 43

so is that ok?

Answer 44

Do any of you need some questions answered

Answer 45

not now but thanks anyway if you have any ways to memorise 2 A4 pages filled with text in a day then please tell me!

Answer 46

Ok

Answer 47

actually i have one!

Answer 48

What

Answer 49

ill help if i can

Answer 50

We will both help

Answer 51

right

Answer 52

What is your question

Answer 53

if u guys have instagram plz follow me

Answer 54

OK thanks both of you
write the formulas for:
acceleration
speed
velocity
time
kinetic energy

Answer 55

So what is the question asking

Answer 56

Tell you which one is faster

Answer 57

?
?
?
?
ke

Answer 58

Let me check

Answer 59

all i know or remember

Answer 60

write the formulas of those ?

Answer 61

if u need math help look up
MATHWAY

Answer 62

du/dt

Answer 63

Is acceleration

Answer 64

Oh

Answer 65

That is for acceleration

Answer 66

also please explain them because i dont understand them?

Answer 67

Oh ok

Answer 68

It is kind of like algebra

Answer 69

Turn you letters into a fraction

Answer 70

And then square the number

Answer 71

k work out the rest and ill read at the end if that's ok cause i am busy trying to memorise my script! :(

Answer 72

Ok

Answer 73

Than acceleration/ at

Answer 74

Is 1/2

Answer 75

also if you can then give an example please

Answer 76

Then square at 1/2 and then you got it

Answer 77

using the formula

Answer 78

The link was a picture i will send it again

Answer 79

k

Answer 80

Press the link

Answer 81

I got one for speed to

Answer 82

k

Answer 83

isnt there any simpler ones?

Answer 84

No

Answer 85

Sry

Answer 86

If here were i would tell you

Answer 87

k

Answer 88

isnt there any simpler ones?