a = ( v(2) - v(1) ) ÷ ( t(2) - t(1) )
2 = ( v(2) - 10 ) ÷ ( 6 - 0 )
2 × 6 = v(2) - 10
v(2) = 12 + 10
v(2) = 22 m/s
Rust forms when oxygenreacts with chemicals in rocks, and that is often the case
Well i honestly wouldn’t know
Reserves might last 53.3 years.
Earth’s mineral resources: