Thursday, November 28, 2013
Sunday, November 24, 2013
9th Grade Homework
Speed and Velocity Problems
1.What is the average speed of a cheetah that sprints 100 m in 4 s? How about if it sprints 50 m in 2 s?
2.If a car moves with an average speed of 60 km/hr. How far will it travel if it continues this average rate for 4 hrs?
3.A runner makes one lap around a 200 m track in a time of 25.0 s. What was the runner's average speed?
4.A motorist travels 406 km during a 7.0 hr period. What was the average speed?
5.A bullet is shot from a rifle with a speed of 720 m/s. What time is required for the bullet to strike a target 3240 m away?
Thursday, November 21, 2013
Wednesday, November 20, 2013
Tuesday, November 19, 2013
Tuesday, November 12, 2013
Saturday, November 9, 2013
Must Watch!...if you like cars and science
https://www.youtube.com/watch?v=fA4K4AAucVA&feature=youtube_gdata_player
Sunday, November 3, 2013
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