Original post by Imrankhan0121
I did question 7 and got
s=
u=40
v=0
a=~9.81
t = ?
0-40/-9.81=4.87
s=
u=40
v=0
a=~9.81
t = ?
0-40/-9.81=4.87
Is the object stopping or speeding up?
With those numbers it looks right
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Original post by Imrankhan0121
I did question 7 and got
s=
u=40
v=0
a=~9.81
t = ?
0-40/-9.81=4.87
s=
u=40
v=0
a=~9.81
t = ?
0-40/-9.81=4.87
The full question
Original post by Andy98
It is stoping because it has v=0 because it is changing firection
Original post by Imrankhan0121
It is stoping because it has v=0 because it is changing firection
Direction
Original post by Imrankhan0121
It is stoping because it has v=0 because it is changing firection
Right then what you've got so far looks right
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Original post by Andy98
Have you check the picture and my teacher mark it wrong
I don't know why?
Original post by Imrankhan0121
Have you check the picture and my teacher mark it wrong
I don't know why?
I don't know why?
Looks right to me. What did you get for 7.2
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Original post by Andy98
I got 81.5 because I used vsquare suvat equation
Then I got 0^2-40^2/2(-9.81)=81.5
Original post by Imrankhan0121
I got 81.5 because I used vsquare suvat equation
Then I got 0^2-40^2/2(-9.81)=81.5
Then I got 0^2-40^2/2(-9.81)=81.5
I would've used the s=ut+1/2at²one but it looks OK. I can't see any problems
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Original post by Andy98
Have u done it urself ?
Wat u study ?
I used v^2= u^2+2as
Reran fe to get s
V is 0
U is 40
A is -9.81
Original post by Imrankhan0121
Have u done it urself ?
Wat u study ?
I used v^2= u^2+2as
Reran fe to get s
V is 0
U is 40
A is -9.81
Wat u study ?
I used v^2= u^2+2as
Reran fe to get s
V is 0
U is 40
A is -9.81
Just try the problem,andy
U should have my answer don't you think
Original post by Imrankhan0121
Have u done it urself ?
Wat u study ?
I used v^2= u^2+2as
Reran fe to get s
V is 0
U is 40
A is -9.81
Wat u study ?
I used v^2= u^2+2as
Reran fe to get s
V is 0
U is 40
A is -9.81
I'm doing AS Physics at the moment. You've definitely don't what I would've done, unfortunately I don't have time to do it myself right now. I'll do it tonight after college.
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Though I can't see the value of initial velocity, using your value the answers look right to me as well. I'd consult your teacher if I were you.
Original post by SeanFM
Though I can't see the value of initial velocity, using your value the answers look right to me as well. I'd consult your teacher if I were you.
My teacher got it wrong lol
Original post by Imrankhan0121
My teacher got it wrong lol
Thought so
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