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  1. ...of a conductor) in a magnetic field, you can apply Fleming's Right Hand Rule, disregad there is acceleration or not. 2. Lenz's ...

  2. Fleming's left hand rule (for electric motors) shows the direction of the thrust... also exists Fleming's right hand rule (for generators). The appropriately- handed ...

  3. ...電流係因為有野郁而產生(唔係駁電)咁就可以用Fleming's right hand rule… 相反如果係駁電就用Fleming's left hand rule… Lenz...

  4. Answer is D displacement involve distance and direction whilst distance traveled does not. for example, you travel around the world from Hong Kong, when you come back to Hong Kong, the magnitude of displacement is 0, but the distance travel can be over...

  5. Why.... hand 's nail grows faster than foot's nail?? 因為正常的...

  6. The hour hand completes one revolution in 12 hours, hence its angular speed is: 2π/(12 x 3600) rad/s Hence its tangential speed is: 0.083 x 2π/(12 x 3600) = 0.0000121 m/s = 0.0121 mm/s

  7. 太空船 飛船,或太空船、載人飛船,宇宙飛船,是能保障太空人在外太空執行航太任務並返回地面的太空飛行器,屬於一次性使用的返回型載人太空飛行器。載人飛船可以獨立進行太空活動,也可作爲往返於地面和載體」,還能與太空站或其他太空飛行器對接後進行聯合飛行。載人飛船...

  8. 想問問有關right- hand rule/left- hand rule/right hand grip rule 佢地個原理係咩? right hand rule/left hand rule... of force, magnetic field lines and current. The right hand grip rule gives the direction of magnetic field around a current carrying...

  9. ... 6 has 3 neutrons + 3 protons Left hand side has 6 neutrons + 5 protons Right hand side...

  10. a)By conservation of energy, When the hand tool drops from 50m,it's intial speed is zero,that means it...before collision: (0.5)(1)(√2x10x50)^2 =500J The KE of the hand tool after collision: (0.5)(1)(100^2) =5000J Note that for the ...

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