- Messages
- 17
- Reaction score
- 3
- Points
- 13
Assalamoalaikum wr wb!!
Nov 2003
· Q:5 b (ii) need explanation, I don’t get it... :s· Q:4 c Can you show, how is the less ripple represented, please.. :s· Q:2 b (ii) –ve sign?
Q5 B ii - I think because Tesla is the magnetic flux density acting normal to the object in this case because they
are parallel if you try resolving MFD normal to the object then it is MFD x cos 90 , which is equal to zero
the answer is change is = 9.81 x 10 ^-5
Q 2 ii - acceleration and displacement are vectors therefore minus is used to show that accelaration is always opposite to the direction of the displacement and W is squared is to ensure that constant is always positive.