A runner accelerates at a rate of 12 m/s2. The force that is produced is 36 N. What is the mass of the runner?

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

the objects have the same charge.