The circumference of the Earth at its equator is approximately 40,000 km. Find the average speed of a person standing at the equator for one day. What is the difference in
the person's velocity at 8 am and 8 pm.

The slope of a velocity time graph over any interval of time gives the during that interval

Two trains leave a station at the same time, train a travels at a constant speed of 16 m/s. train b starts at 8.0 m/s but accelerates constantly at 1.0 m/s squared. after 10.0 seconds, which train has the greater speed?

An element becomes a positively charged ion when itloses protons. loses electrons. gains electrons. gains neutrons.