How much work must you do to push a 13 kg block of steel across a steel table at a steady speed of 1.0 m/s for 8.9 s ? the coefficient of kinetic friction for steel on steel is 0.60?

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

Describe uniform velocity and variable velocity in short

The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? don’t forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?