Two electrically charged particles in close proximity to one another have electrical potential energy. The amount of energy is dependent on the charges of the particles and the distance between the particles. The table below shows the positions of two particles relative to each other. The particles have the same charge.

Position Number Distance Between Particle 1
& Particle 2 (in mm)
1 2
2 4
3 6
4 8

At which position do the particles have the greatest electrical potential energy?
A.
position 3
B.
position 1
C.
position 4
D.
position 2
PLZ HELP ME I WILL GIVE 15 POINTS

69

Explanation:

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg 

answer: zinc is the substance which has a volume of 1.38 .

density is defined as the mass of an object per unit volume.

it can be calculated by dividing mass of a substance by its volume i.e.

si unit of density is kg per cubic meter and cgs unit of the same is gram per cubic centimeter.

now from the given data volume can be calculated by the formula .

hence, the volume of aluminium will be = which comes out to be 1.703 .

similarly, volume of zinc, chromium, and nickel will be 1.378 , 0.869 , and 0.356 respectively.