A 61kg skydiver jumps out of an airplane. What is her terminal velocity in miles per hour (mph), assuming that ������=10kgs for free-fall (no parachute)?.

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

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?

The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?