Edexcel IAL Physics Unit 1 WPH01 May June 2016 Discussion

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ToxicPhantom007
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#1
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well... the exam was sorta medium difficulty :V
That spider and fly question was damn tricky though xD
what was your value for acceleration in that question ?
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MrBioBombastic
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(Original post by ToxicPhantom007)
well... the exam was sorta medium difficulty :V
That spider and fly question was damn tricky though xD
what was your value for acceleration in that question ?
What did u write fir copper use and steel?
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MrBioBombastic
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And what was ur horizontal speed mine was 0.38 ms-1
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ToxicPhantom007
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(Original post by MrBioBombastic)
And what was ur horizontal speed mine was 0.38 ms-1
0.4 ms-1
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MrBioBombastic
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And work done ? 529J i got from graph and power 211.2W
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MrBioBombastic
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(Original post by ToxicPhantom007)
0.4 ms-1
There will be a range given right ?
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ToxicPhantom007
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(Original post by MrBioBombastic)
What did u write fir copper use and steel?
copper is malleable so it can be shaped into sheets. petal is a sheet so copper is suitable
steel is ductile so it can be shaped into rods or wires. stem is a rod so steel is suitable
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ToxicPhantom007
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(Original post by MrBioBombastic)
And work done ? 529J i got from graph and power 211.2W
i got 512 J and power= 24 x energy/60
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ToxicPhantom007
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(Original post by MrBioBombastic)
There will be a range given right ?
yep
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MrBioBombastic
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(Original post by ToxicPhantom007)
copper is malleable so it can be shaped into sheets. petal is a sheet so copper is suitable
steel is ductile so it can be shaped into rods or wires. stem is a rod so steel is suitable
I wrote the same yes but idrees and waleed said copper can't be malleable
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MrBioBombastic
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(Original post by ToxicPhantom007)
i got 512 J and power= 24 x energy/60
Yep
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ToxicPhantom007
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(Original post by MrBioBombastic)
I wrote the same yes but idrees and waleed said copper can't be malleable
search on google " is copper malleable" you will get the answer xD
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MrBioBombastic
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And what abt yeild point why it's defination was incorrect
I wrote because instead of extension it should be strain as graph is for stress and strain or force instead of stress
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ToxicPhantom007
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What did you choose in that mcq where a car goes towards east then west ?
i chose change in speed = 20
change is velocity= 20-(-40)=60 coz 40 was in neg direction
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MrBioBombastic
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(Original post by ToxicPhantom007)
What did you choose in that mcq where a car goes towards east then west ?
i chose change in speed = 20
change is velocity= 20-(-40)=60 coz 40 was in neg direction
Final -initial
So -40-20
-60 was change in velocity
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ToxicPhantom007
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(Original post by MrBioBombastic)
And what abt yeild point why it's defination was incorrect
I wrote because instead of extension it should be strain as graph is for stress and strain or force instead of stress
i mentioned that student shouldve used the word strain instead of ext coz yield point = more increase in strain for small increase in stress
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ToxicPhantom007
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(Original post by MrBioBombastic)
Final -initial
So -40-20
-60 was change in velocity
lol lost 1 mark
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MrBioBombastic
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(Original post by ToxicPhantom007)
i mentioned that student shouldve used the word strain instead of ext coz yield point = more increase in strain for small increase in stress
Yo it means we got correct answer
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ToxicPhantom007
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i will get around 65/80
wbu ?
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MrBioBombastic
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(Original post by ToxicPhantom007)
i will get around 65/80
wbu ?
60+iA i messed up in finding acceleration
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