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this was very helpful......im very thankful for your effort
last few pages of syllabus contains mf9can anybody give me the link to download 'list of formulae(mf9) ?? please !
when a question says a particle is projected and doesnt mention any force.....i have to ignore the force too right?? and what about the initial velocity?? HELP!!
thank you.last few pages of syllabus contains mf9
its vectors..comes under distance of a point frm a straight line..is this vectors or coordinate geometry ??
It is given!thank you.
this being given to us in the exam hall will make the ppr much easier !
AoA wr wb
A box of mass 2kg is projected with speed 6 m/s up a line of greatest slope of a rough plane inclined at 30° to the horizontal. The coefficient of friction is 1/3.Use work energy principle to calculate the distance the box travels up the plane before coming to rest.
Another question i got is abt the work energy theorem formula...i have seen 2 versions of it
Final energy - Initial energy = Work done by engine - Work done by friction
and
Final energy - Initial energy = Work done by engine + Work done by friction
Which ones correct?? Help me plzz
I get 2.33m and in book its 2.76What's the answer to this question?
AoA wr wb
A box of mass 2kg is projected with speed 6 m/s up a line of greatest slope of a rough plane inclined at 30° to the horizontal. The coefficient of friction is 1/3.Use work energy principle to calculate the distance the box travels up the plane before coming to rest.
Another question i got is abt the work energy theorem formula...i have seen 2 versions of it
Final energy - Initial energy = Work done by engine - Work done by friction
and
Final energy - Initial energy = Work done by engine + Work done by friction
Which ones correct?? Help me plzz
thxxx and wht answer did u get?Final energy - Initial energy = Work done by engine - Work done by friction
This one is correct^.
Basically the formula is 'Work done by Engine - Work done by Force = Change in Mechanical Energy'.
A2 or As vectors?i need help with vectors..Distance of a point from a line! this question is from the CIE endorsed book and not frm the pastpapers!
Q) Find the distance of (3,4) from the straight line 3x+ 4y=0
the answer is 5.
thxxx and wht answer did u get?
This is, in essence, an incorrect question to begin with (I think).i need help with vectors..Distance of a point from a line! this question is from the CIE endorsed book and not frm the pastpapers!
Q) Find the distance of (3,4) from the straight line 3x+ 4y=0
the answer is 5.
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