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Physics, Chemistry and Biology: Post your doubts here!

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oh well only few are reflected so this means there is a dense small object ( small cause just few rays was reflected )
many kept moving without any change in direction this means its mostly empty
so this mean the reflection or deflaciton happens because there is an dense small charged object which is the nucleas
really helpful :)... THANKYOU !!!
 
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the starting velocity ,in this question as its not given its zero..
u is the starting velocity and v is final velocity...
well if it is zero then you did wrong calculation :S you used it as one in your calculation there
 
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no :S try calculatin ur self by subsitutin the values u'll get it thn..i din take anythin for 'u'
oh nvm i got it just use the area under triangle like a graph 0.5 x 0.6 and 1.2 it will give you the distance which is 0.36
 
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