Science 8: Pg 109 # 1-13 and Pg 117 # 3-5, 10, 17 are due Monday (half in sentences, half in quality point form). We started optics today by learning about frequency, which is how often a repeating event occurs per second. We did these problems:
1. A mosquito's wings beat 525 times in 2.5 seconds. What is the frequency of the wing beats?
2. A series of 12 waves in Lake Revelstoke hits the shore in 60 seconds. Determine the frequency of the waves.
3. What is the frequency of a table saw blade if the saw is rated at 2600 revolutions per minute?4. Determine the frequency of your heart beat.
Junior Girls Volleyball: No practice Wednesday. I am working on a practice for after school Thursday - please check back on this blog. 7:15 departure on Friday morning, bring food as our first two matches occur over lunch at Kelowna Christian. Octover 29th is the Valley Swim Meet - I need your help with timing in the afternoon from 2:00 until about 4:30.