Question

https://prnt.sc/h2jrnq please helpp

Answer 1

ok im here wut u want hayz

Answer 2

i want u to answer

Answer 3

k sure what ever lol

Answer 4

Are you nuts I can't answer that I am not as smart as you think Haleigh

Answer 5

Your halfway there lol can you finish it

Answer 6

i cant finish it

Answer 7

@Elsa213 @Ultrilliam

Answer 8

Lol those formulas would totally destroy my neurons if i forced my self to answer

Answer 9

Ik a girl on here who already has a cbr1000rr a;; white lol

Answer 10

all#

Answer 11

nows not the time to talk about bikes i need answers

Answer 12

My bad I don't know really i'm not as smart as you think that looks like college materials

Answer 13

let me add updated screenshot, had to change the mass numbers

Answer 14

http://prntscr.com/h2ke4h

Answer 15

@Vocaloid *cough cough*

Answer 16

first column seems like it would just be 2*displacement/t^2 using your displacement & time values

Answer 17

for the second column you can calculate your theoretical a value using the formula in the picture

Answer 18

% diff is just 100*(actual a - theoretical a)/theoretical a

Answer 19

for Ft use the formula in the cell to find the value

Answer 20

for Ft calc it seems like you would use the theoretical Ft (T) from the picture I attached

Answer 21

then % diff F calculation works just like the %A calculation

Answer 22

@sillybilly123 @Nnesha this is what little I understand as a non-physics person, please step in if I'm wrong

Answer 23

okay im going to attempt this now

Answer 24

okay regarding "first column seems like it would just be 2*displacement/t^2 using your displacement & time values" i got 0.000357106 for the first box lol does that seem right

Answer 25

okay moving onto the next step please stand by

Answer 26

hm. for the second column i get a very different value of a than the first column

Answer 27

oh wait your masses are in grams whoops let me try again

Answer 28

what do you mean? and im confused for the a CALC m/s^2 and my masses are in kilograms i converted them in a different screenshot

Answer 29

mass#1=0.10548 kg mass#2=0.09184

Answer 30

a = (m2-m1)/(m1+m2) * g

Answer 31

what is plugged in for g?

Answer 32

acceleration due to gravity. it's a constant.

Answer 33

g = 9.80665 m/s2

Answer 34

i think i did something wrong lol..

Answer 35

what did you get?

Answer 36

a negative number

Answer 37

what number did you get?

Answer 38

actually i think acceleration is supposed to be negative since the bigger weight is moving downward

Answer 39

-0.007517264

Answer 40

m1 = 0.10548
m2 = 0.09184

a = (m2-m1)/(m1+m2) * g = ?

Answer 41

@sillybilly123 I think i'm mixing up the sign convention for this one ugh

Answer 42

ahh this is so difficult

Answer 43

m1 = 0.10548 means replace m1 with 0.10548
m2 = 0.09184 means replace m2 with 0.09184

then calculate a = (m2-m1)/(m1+m2) * g

Answer 44

i did that and i get the same thing

Answer 45

let me make the notation more clear

g*(m2-m1)/(m1+m2)

Answer 46

plugging in 9.80665 for g correct

Answer 47

yes

Answer 48

yea i get -0.007517264

Answer 49

9.80665(0.09184-0.10548)/(0.09184+0.10548) = ?

Answer 50

are you getting something diffrent cuz i did that in the calculator ^^

Answer 51

/ means divide

Answer 52

remember your order of operations

Answer 53

this is what I get

http://www.wolframalpha.com/input/?i=9.80665(0.09184-0.10548)%2F(0.09184%2B0.10548)

Answer 54

so about -0.67 m/s/s

Answer 55

alright so next is 100*0.0000357106-(-0.67)/-0.67?

Answer 56

yeah, I'd probably just use the positive values instead to make life easier

so 100*(0.0000357106 - 0.67)/(0.67)

Answer 57

something doesn't seem right about your time values in the table though, they're unusually high :S

Answer 58

yeaaaa i wasnt there for lab, this is what i was given

Answer 59

so the calculation ends up being about a 99% difference :S

Answer 60

anyway, for Ft just follow the formula in the table

Answer 61

for the a value use the a from the first column

Answer 62

alright im starting from the beginning to make sure lol

Answer 63

@Ultrilliam