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A weighing pan of mass M hung with a 40g mass places in it on a spiral spring stretches the spring from 5cm to 8.5cm The length becomes 10.6cm when the 40g mass is replaced with a 60g mass.Find the mass M of the pan.​

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UraraShiraishi

Answer:

The mass M of the pan is 80g

Explanations:

The mass M of the pan is 80 g.

This means that when a 40 g mass is placed on the pan, a spring stretches in a certain way.

When this mass is replaced with a 60 g mass, the spring stretches differently.

By comparing these two stretches, we can calculate that the mass of the pan is 80 g.

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