A roller coaster track is 3000 meter long. It takes 100 second to travel once around the roller coaster. What is the average speed of the roller coaster? Remember:speed can be measured by dividing the distance by time Speed =distance /time

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !

What is the problem in this article? what solution does the article propose?