A 1.0-kg rock moving along the x-axis is subject to a variable force given by the equation F(x)=6-2x+6x² , if the rock in itially is at the origin . find it's speed when it has moved 9.0m

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

The ozone hole appears in antarctica during

Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 ✕ 103 s. given that the charge of an electron is 1.6022 ✕ 10−19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.