same weight
iron
1KG
1. Volume 2. Mass 3. Inertia
If there was no wind resistance they would both hit the floor at the same time... however, and since such an atmosphere doesn't exist, (Wind resistance acting on cotton is greater because it has a greater surface area..) so iron will fall faster ... .
1kg of iron ore is about £40 or $20. It depends on the grade of the ore, high or low.
same weight
iron
15
They both weigh the same, 1 kg
They both weigh the same = 1KgThe answer is there in your question
1KG
998,000,000,000
200
Sainsbury's supermarket sells 1kg of granulated sugar for 98p here in the UK.
1500 per kg
R38.50