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physics paper 1,2 ........can we discuus da papper nw?

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Q9's last part was 3.2 !!!!!

The resistors were in parallel and 2.5

So, 1/2.5 + 1/2.5 = 4/5, which reversed makes total resistance 1.25.

The current was 1.6 and power loss is equal to current squared multiplied into resistance

1.6x1.6x1.25 : 3.2W


ain't u mixing up q.8 and q.9 ???????
 
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What is friction? It is a force that opposes motion....caused by roughness of a surface...measured in newtons.? Is it good enough?
 
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Ok, help me here :

Q1) Mass, extension one.
Q2) Car's acceleration and stuff
Q3) House heating
Q4) angle of incidence and 32. something as angle of refraction one
Q5) wave motion and stuff
.
.
Q8) Wire and stuff
Q9) transformer wala
Q10) Gamme rays and Beta rays and stuff

What were question 6 and 7 about ?!?!?
Any1 ????
 
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