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Physics P22

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Ohh Sorry I didnt noticed it was 3:5 I acciedently wrote 2:5 here but wrote 3:5 in paper I got the same :D
 
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In the last question.. where we had to complete the equation.. can anyone tell me how to complete it.. I mena we had to add 3+3 and 2+2 as two heliums reaacted and the last part??.. Can any one tell what they wrote..
 
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In the last question.. where we had to complete the equation.. can anyone tell me how to complete it.. I mena we had to add 3+3 and 2+2 as two heliums reaacted and the last part??.. Can any one tell what they wrote..
We had to write 4 and 2 for HE and 1 and 1 for proton
 
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guys i got 3.2V as the potential difference across CD, cux i got 4.8V across AC and 8V across AD. I simply subtracted the smaller value i.e 4.8 from th larger value i.e 8 and got 3.2V . is it correct?
 
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What did you guys get for the change in momentum? And the one below it which was something about average momentum? Was it .065(5.2+3.7)
And then
F= .o65(8.5)/7.2ms
 
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Alpha particle is a helium nucleus, mass 4u, charge 2p, and helium atom was released and it was isotope of helium atom, Since Gamma has mass 0u and 0p, so for the element to be an isotope, my logic says it should be gamma, and beta has a range of energies???

Still can u pleaz post ur reasoning behind ur desicions ??
 
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it cant be gamma coz gamma doesnt lead to release of a proton and the charges of the ions are never mentioned they did not even mention the charge of the proton so it can very well be a helium nuclei being emitted
 
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