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Square of negative quantity = positive quantity.y are we not considering the direction of velocity here? if I take -5 ans comes out to be C:/
Is that D?View attachment 54111
How to do this??
Pressure=Force/Area. Upthrust is a force so multiply by area to get force.
Power input= mgh/tView attachment 54111
How to do this??
Total spring constant (P,Q) = k + k = 2k Total spring constant (P,Q,R) = 1/2k + 1/3k = 5/6k Force |W| = kx x = |W|/k = 5W/6kCan somebody please explain this? View attachment 54097
Already specified in question.And also can someone please highlight that in MJ 2012 paper 23 question 5 part b i how do you get the current as 2 A?
Height will be taken from the bottom as when the ball hits the surface its height will be zero.http://maxpapers.com/wp-content/uploads/2012/11/9702_s13_qp_11.pdf
Q17.. why is it imp to consider the diameter? :/
The extension provided by each spring is e.could anyone explain me question no. 20 http://studyguide.pk/Past Papers/CIE/International A And AS Level/9702 - Physics/9702_s05_qp_1.pdf
Yes!Is that D?
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