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A simple equal-arm lever
Make a wooden base 15 cm square and 2 cm thick. In the centre of the base fasten one more block of wood 4 cm square and 3 cm thick. Fasten to two sides of these blocks two uprights 15 cm long, 3.5 cm wide and 1 cm thick. These may be fastened to the small block by means of screws. In the top end of each up- right cut a narrow fit with a thin blade saw. The slot should be a little less than 2 cm deep or just deep sufficient to hold a used razor blade with 2 or 3 mm extending above the top of the upright.
Water pressure changes with depth Use the funnel and manometer which you made in the last experiment. Fill a tall glass jar or pail with water. Calculate the pressure just belo
how so you find the numerical age and can you provide an example?
Which type of volcano is the most destructive? Well every type of volcano can be destructive and if you are talking in human loss of life terms than the answer is any type of v
how do plates make there own food
Code of Practice in a Laboratory The following is a set of rules you should follow while working in a laboratory: 1. Always wear the required protective clothing. 2. Make
Explain the Mechanics of Respiration The process of respiration can be well understood by studying the mechanism of respiration. This can be explained through a respiratory cy
Mercury: Mercury, the planet nearest to the Sun, has long remained a mysterious body. Because .of the Sun's glare, it is difficult to see it clearly all the mare so becau
Explain Hormonal Phase of Pancreatic Secretion Hormonal phase: After food enters from the stomach to the duodenum, pancreatic secretion starts increasing. Two hormones are resp
what is earth made of ?
how semiconductor detector works
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