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If Jessica weighs 45kg and sits on a seesaw at a distance of 2m from the centre of the seesaw.Micheal weighs 90kg. At what point on the opposite side should Micheal sit in order to balance the seesaw.

Micheal should sit at a distance of 1m from the pivot or half whatever distance Jessica sits. This is found intuitively here but can be found with any two masses by resolving moments.
HP
Answered by Hugh P. • Physics tutor
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Explain dynamic equilibrium?

As reactants react products are made, which increases the concentration of the products. As we know, the higher the concentration the faster the rate of reaction. The forward reaction (the reaction of the re...
JW
Answered by Josh W. • Chemistry tutor
2570 Views

Asses the likely impact on a domestic firm of a global merger with a bigger MNC (Multi-national corporation) 10marks

A merger between two firms can be explained as a joining of assets and operations, who begin trading as one firm. For a smaller firm operating in only one country, a global merger will create a huge opportun...
Answered by • Business Studies tutor
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Solve the simultaneous equations 1) 3x + 2y = 4 & 2) 4x + 5y = 17

Find the lowest common denominator of either x or y. x in this example. ( 12x ) Multiply both equations such that the x's match this. ( 1) 12x + 8y = 16 & 2) 12x + 15y = 51 ) Combine these formulas by ta...
RT
Answered by Robert T. • Maths tutor
2809 Views

y = x^2 + 4x + 7 Find the turning point of the equation by completing the square.

Should start completing the square by figuring out what the square will be ( (x + 2) 2 ) Figure out what should be added/taken away from the square to complete it by multiplying out ( (x + 2) 2 + 3 ) Correct...
RT
Answered by Robert T. • Maths tutor
6808 Views