Experiment 2: High or low pressure Supplies: Two ping-pong balls, tape, thread, straw Directions: Cut the thread to create 2 twelve inch pieces. Tape a piece of thread to each ball and then hang them so the balls are side by side. You can also tape them to a door frame. Just be careful to not peel off the paint, especially if you are renting or in the residential halls. Using the straw, blow air as hard as you can between the ping-pong balls. Questions: (1) What did you observe

with the invention of the automobile, the woman of the house could drive to the store and get groceries. women were also free to socialize more. during world war ii women were allowed to work in factories to the war effort and could drive to work or ride mass transit buses to their jobs.

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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