At ground level g is 9.8m/s^2. suppose the earth started to increase its angular velocity. how long would a day be when people on the equator were just 'thrown off'? why is the expression 'thrown off' a bad one ?

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather

Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th