"One end of a steel rod of radius R = 10mm and length L = 80 cm is held in a vise. A force of magnitude F = 70000 N is then applied perpendicularly to the end face (uniformly across the area) at the other end, pulling directly away from the vise. What will be the elongation of the rod (in the unit meters)? Young modulus is 200 × 109 N/m2)
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The diagram shows part of a radio antenna.The plastic tube protects the radio antenna from bad weather.Dust particles carried by the wind rub against the plastic tube.After some time, the dust particles cause the tube to become positively charged.State the property of plastic that allows it to become electrostatically charged.
"One end of a steel rod of radius R = 10mm and length L = 80 cm is held in a vise. A force of magnitude F = 70000 N is then applied perpendicularly to the end face (uniformly across the area) at the other end, pulling directly away from the vise. What will be the elongation of the rod (in the unit meters)? Young modulus is 200 × 109 N/m2)⚘⚘⚘✌☢❤❤❌☣⚘⚜⚜♀️☄
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