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  1. Consider the 10 kg slab alone, use: net-force = mass x acceleration 100 - Ff = 10a ---------------- (1) where...10ug = 10a a = 10 - u.g ---------------- (2) If the block goes with the slab without any sliding, the block and slab have the same acceleration a. Hence...

  2. (i) I presume that the surfaces between the block and the slab are rough. Friction always opposes motion. When the...

  3. ... will induce charges on the upper and lower side of the dielectric slab . If the upper plate is +ve charged, then -ve charge will be ...

  4. ...square feet), is calculated from the total thrust that the floor slab as a whole that could support without causing structural damage. Thus, a...

  5. ... the Hall voltage and d is the width of the semi-conductor slab hence, qV/d = Bqv V = Bdv Since current I...

  6. Consider an elementary annular slab at distance r fom the centre of the pipie with thickness dr, using the...

  7. ... +ve. The current flows from left to right across the semi-conductor slab . Should the charge carriers be +ve, they flows in the same...

  8. ...... 2011-07-30 00:01:37 補充: Trying to pull the dielectric slab into the gap between the capacitor plates, just similar to a spring that has...

  9. ...'s law, states that the time rate of heat flow Q through a slab (i.e. the rate of conduction) is proportional to the gradient of temperature difference...

  10. .... The field induced charges on the dielectric (i.e. the slab of insulator). The side of the dielectric facing the +ve charged...