The first on is a and the second c I belive
Answer:
Explanation:
assuming there is no friction
fnet=ma
2,000 kg*3m/s=6,000 N
The simplest way of separating visible solid impurities that do not dissolve in water from water is by using a sieve (option A).
<h3>What is sieving?</h3>
Sieving is a act of passing substances through a sieve, which is a device with a mesh bottom to separate, in a granular material, larger particles from smaller ones, or to separate solid objects from a liquid.
Sieving is a physical method of separation widely used to separate substances that cannot dissolve in a liquid from that liquid.
Therefore, the simplest way of separating visible solid impurities that do not dissolve in water from water is by using a sieve.
Learn more about sieving at: brainly.com/question/2760394
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Units?
CO2 (s) and CO2 (g)
