In this question you will gain marks for using good English, organising information clearly and using scientific words correctly.
Some students want to build an electromagnet.
The students have the equipment shown below.
3 ㄹ
00
Insulated wire
Iron nail
Power supply
Connecting leads
Stool paperclips
Wooden clamp
and stand
Describe how the students could build an electromagnet. Include in your answer
how the students should vary and test the strength of their electromagnet.
(6)

Hen a gfci receptacle device is installed on a 20-ampere branch circuit (12 awg copper), what is the minimum volume allowance (in cubic inches) required for conductor fill for each conductor in the outlet box?

The pressure proportional to the area a- inversely b- directly c- increase d-decrease

On a horizontal frictionless surface, a small block with mass 0.200 kg has a collision with a block of mass 0.400 kg. immediately after the collision, the 0.200 kg block is moving at 12.0 m/s in the direction 30° north of east and the 0.400 kg block is moving at 11.2 m/s in the direction 53.1° south of east. use coordinates where the +x-axis is east and the +y-axis is north.(a) what is the total kinetic energy of the two blocks after the collision (in ) what is the x-component of the total momentum of the two blocks after the collision? (indicate the direction with the sign of your ) what is the y-component of the total momentum of the two blocks after the collision? (indicate the direction with the sign of your answer.)