Question

The current in the electron beam of a typical video display terminal is 200µA . How many electrons strike the screen each minute? ​

Answer 1

Answer:

Suppose the length of a spring varies with respect to a weight attached to it. If the length of a spring is 6 cm when a weight of 1 kg is attached and 9 cm when a weight of 3 kg is attached, then which of the following statements is true?

The original length of the spring(when no weight is attached) is 4.5 cm.

The original length of the spring(when no weight is attached) is 5 cm.

The length of the spring will be 13.5 cm when a weight of 6 kg is attached.

The length of the spring will be 12 cm when a weight of 5 kg is attached.

Answer 2

Explanation:

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