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haha we had to show the time not the formula...you didnt understand the queation dude
yup
what was your answer in q4 that 1/2 S one????
in the first part i got speed of 5.46 m/s and in the 2nd part my distance was 3. something.... wats urs??[/quote]
i don't remember which question u r talking about u tell me ur answer i might remember my answer then!!
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my teacher said we had to differentiate...anyways what answer you got for first question??? cooficient of friction and accelalration??
no it was u had to integrate from acceleration to distance this was the equation u had to use a=.75 integrate from this u have to find the value of two Cs while finding equation of distance!! the value of acceleration was taken from the graph of last part of the journey if anybody remember's all the values of the graph i can show u how to do it!!
coefficient for friction came 0.8
yea mine was same but i got accelaration 0.8 as well..:/..what did u get?
i thought of dat..i tried integrating velocity but failed to do sono it was u had to integrate from acceleration to distance this was the equation u had to use a=.75 integrate from this u have to find the value of two Cs while finding equation of distance!! the value of acceleration was taken from the graph of last part of the journey if anybody remember's all the values of the graph i can show u how to do it!!
no acc ws didfferent,not 0.8,,,,,u had to calculate new friction from the coefficient of friction after getting the new reaction force becuse there ws also a vertical component of tension so reaction force ws no longer equal to wait
why ws cos a given in q7 ?......i had no reason to use it
no it was u had to integrate from acceleration to distance this was the equation u had to use a=.75 integrate from this u have to find the value of two Cs while finding equation of distance!! the value of acceleration was taken from the graph of last part of the journey if anybody remember's all the values of the graph i can show u how to do it!!
i remember that u don't have to use it if u have done another way even i didn't use it but maybe there might be another way to do that question where we can use cos(a)!!
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