Qualification > Sciences

physics help needed

<< < (2/3) > >>

yinyang:
that's what i thought for Q15 but according to the marking scheme the answer is B(mgh/4)???

cashem'up:
hey june 2007 q20......dont get it please explain....... by the way cie.....Thanks
 ;)

cashem'up:
of the same paper can someone also explain why in q27 the answer is A not B......why do the directions  have to be different is it because of the original wave and the reflected wave???  :(

astarmathsandphysics:
Think ms may be wrong on q15

hetarth:
ok kk listen up when the weight  pulls the beam downwards the side at which x and y lie on have been stretched so tension applies there .....so answer is b

Navigation

[0] Message Index

[#] Next page

[*] Previous page