Mathematics: Post your doubts here!

[Ram97]

M1 : practice this paper : http://themathelp.com/pdf/a level m1.pdf

Do u have something like this for S1?

 

[hizirofaki]

Here you go for Q5 but for second question can I see the full question? The given information

 

[hizirofaki]

M1 : practice this paper : http://themathelp.com/pdf/a level m1.pdf

take screenshots plz or send another link

 

[Haya Ahmed]

http://onlineexamhelp.com/wp-content/uploads/2013/11/9709_s13_qp_42.pdf

Q6(ii) can someone explain why should we shade the whole graph not only the part from 20 to 26?

here is the ms : http://onlineexamhelp.com/wp-content/uploads/2013/11/9709_s13_ms_42.pdf

 

[sara kamal]

Read carefully
Here you go I justified everything for you on the sides

thanku so much

 

[hizirofaki]

http://maxpapers.com/wp-content/uploads/2012/11/9709_s14_qp_43.pdf
1 question why is it cos15 it should be sin15 becase the olane is harizanal and not inclinrd

 

[The Sarcastic Retard]

Do u have something like this for S1?

Will post as soon as i get it

 

[The Sarcastic Retard]

take screenshots plz or send another link

I have same link

 

[The Sarcastic Retard]

Your Link is not opening take screenshots and paste here

Its workin :/

 

[TheJDOG]

http://maxpapers.com/wp-content/uploads/2012/11/9709_s14_qp_43.pdf
1 question why is it cos15 it should be sin15 becase the olane is harizanal and not inclinrd

The angle 15 here is the angle between the force X and the y-axis, so here, the vertical component of X is Xcos15, since the angle is between force and y-axis get it?

 

[Lana19984]

regarding graphs do we plot the points in dots or xs ?

 

[TheJDOG]

Here you go for Q6

 

[TheJDOG]

regarding graphs do we plot the points in dots or xs ?

I suggest x, it's more accurate

 

[ashcull14]

I too had this confusion but not anymore thnx alot , last line was most helpful

most welcome

 

[Wolfgangs]

Can someone please explain part (2) of the question? I'm kinda confused.

 

[TheJDOG]

Can someone please explain part (2) of the question? I'm kinda confused.

Am I wrong? Or is it correct? I'm not sure

 

[hizirofaki]

t

Here you go for Q6

thxxx

 

[hizirofaki]

http://maxpapers.com/wp-content/uploads/2012/11/9709_s14_qp_43.pdf
Q7 1 part why did we take sin
should it be cos because the plane isn inclined

 

[Serial_Ripper]

P41 O/N 11 Q2 Help me PLZZZ I don't get the part about resultant force.

 

[DaniyalK]

P41 O/N 11 Q2 Help me PLZZZ I don't get the part about resultant force.

Tension T is acting upwards on both sides of the pulley. So resultant is 2T.