A 1000-kg car is moving at 30 m/s around a horizontal unbanked curve whose diameter is 0. 20 km. What is the magnitude of the frictional force required to keep the car from sliding?.

Did the universe cool off or get hotter as it expanded after the 'big bang"?

How are students who take the writing portion of accuplacer graded?

When looking at research about instructional strategies, make sure the research is a. from peer-reviewed studies. b. approved by state and federal government organizations. c. online and easily accessible. d. about the same topic you're interested in.