The size of the field 'decreases'. Imagine zooming in on your TV so that your face is pressed up against the screen. you can see the individual pixels but you cannot see the whole picture because the sizer of your 'field of view' has shrunk.
Answer:
Power = Energy/time
Energy = Power xtime.
Time= 20hrs
Power = 100Watt =0.1Kw
Energy = 0.1 x 20 = 2Kwhr.
This Answer is in Kilowatt-hour ...
If the one given to you is in Joules
You'd have to Change your time to seconds
Then Multiply it by the power of 100Watts.
1.25m/s'2 by the first eq of motion
see the steps below
<span>When you pulled the magnet on top perpendicularly across the other, this tells something about the magnetic field around t</span>he latch magnet that it would be counterclockwise and clockwise. Hope this answers the question. Have a nice day.
(i)1.5cm
(ii)4.5cm
(iii)10cm