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?

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

Difference between series and parallel circuits