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what force does a person have to exert on one side of a seesaw if the other person weighs 70kg and is the same distance away from the pivot (2m) on the other side of the seesaw?

70kg x 9.8 = 686N x 2 = 1372 Nm, as 2m away again, divide by 2 = 868 Newtons
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Answered by Marcus B. • Physics tutor
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Show the covalent bonding in terms of electrons in their outer shell for a molecule of Carbon Dioxide

I would use a whiteboard to show that the Carbon atom shares two pairs of electrons with each Oxygen molecule
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Answered by Marcus B. • Chemistry tutor
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What are the forms of business ownership?

There are a number of types of business ownership, taking account of the many different circumstances surrounding a business's ownership and the numbers of people involved. Many small businesses, for example...
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Which verbs take etre in the passe compose?

The vast majority of verbs will take 'avoir' when using the passe compose. This tense is used to describe something that has happened in the past. It is the equivalent of saying for example, I have jumped. I...
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Answered by Nicholas D. • French tutor
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Why does a change in depth in water give a far greater difference in pressure than the same change in height in air?

Begin by explain that pressure is described by the amount of force exerted on a given area (N/m 2 ). The force in this equation is given by the weight of everything directly above the point you are measuring...
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Answered by Murdo B. • Physics tutor
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