Homework Help: physics

Posted by mah on Tuesday, February 1, 2011 at 10:27pm.

If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 3.5 h, a swimmer makes exactly 86 laps in a swimming pool that is 43 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the swimmer's average velocity, and the swimmer's average speed.

physics - bobpursley, Tuesday, February 1, 2011 at 10:37pm
First, an English lesson.
http://www.verb2verbe.com/conjugation/english-verb/swim.aspx

So if you have swum one 43 laps, you end at the place you started. your displacement is zero.
average velocity: zero
distance: 86*43*2

average speed: distance/time
physics - lauren, Monday, January 16, 2012 at 4:09pm
If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 3 h, a swimmer makes exactly 30 laps in a swimming pool that is 30 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the swimmer's average velocity, and the swimmer's average speed.

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