Velocity was reported using the time taken to complete the 400-meter swim, which consisted of going from the starting point to the other end of the pool and back for a total of four times. Because participants completed the swim where they started, their displacement would be zero, meaning ...
我是文玉外国语学校的一名学生 My name am Zhang Jiagen.My 12 years old.But I can play the computer games not to be able to swim.But I can ride the bicycle not to be able to drive.I have the black hair and a double eye.I am an article jade foreign language school student[translate...
helps get a tired brain away from too much technology. More than 15,000 campers from around the world attended an international camping festival in September. That is when friends and family take time off and escape to nature for several days. They take walks, climb, explore , swim, sleep...