Question

a round tube weigh 30 N if the tube is made to stand on end it pushes down on the floor with a pressure of 2N/cm².how many sq cm is the end of tube​

Answer 1

Answer:

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.

tube and other such as solving the problem

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Explanation:

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