The fixed the the lever pivots around is called the fulcrum
The person still walked 16 blocks but ended up in the same spot he started from
The answer to this is 1 kg.
You use this equation:
m2 = m1 (g - a) / [a + g u cos θ + g sin θ]
You plug in the given values:
m2 = 0.7 (9.81 - 0.2) / [0.2 + 9.81(0.20) cos 30 + 9.81 sin 30)
The result is
m2 = 1 kg
1. Cells
2. organelles
3. Cytoplasm
4. Nucleus itself—
5. mitochondrion
6. Cell cytoplasm
7. The cell membrane, provides protection for a cell.
8. A genotype refers to the genetic characteristics of an organism. A phenotype refers to the physical characteristics.
Hope this helped