Physics, 30.10.2021 14:00 Samanthas6365
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
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Physics, 22.06.2019 19:30
The ability to make things happen is also called a. heat b. force c. matter d. energy
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Physics, 22.06.2019 19:40
Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?
Answers: 1
Physics, 22.06.2019 20:00
An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.
Answers: 2
Experiment 2: High or low pressure Supplies: Two ping-pong balls, tape, thread, straw Directions: Cu...
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