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How successful did Edward IV control his nobility in his first reign?

The years 1461-70 saw a long-term shift in power in the nobility, which Edward IV, an effective King, had no trouble in monitoring. The difficulty Edward IV faced from the beginning was the result of turm...

Answered by Annabel A. • History tutor

8618 Views

What are strong and weak acids? How do they differ from diluted and concentrated acids?

Acid strength relates to the degree of ionisation in aqueous solution. A strong acid is completely ionised in aqueous solution. A weak acid is only partially ionised in aqueous solution.On the other hand,...

Answered by Coco Z. • Chemistry tutor

5787 Views

Solve 3y^2 – 60y + 220 = 0 using the quadratic formula:

when a quadratic equation isn't able to be solved using factorisation, the quadratic formula can be used, which has the general formula of ** **. The letters in the formula represent the coefficients in t...

Answered by Olivia C. • Maths tutor

3041 Views

Which verb should be used, "ser" or "estar"?

In Spanish there are two verbs that translate to English as "to be", and it can be difficult to know the contexts in which to use each one. But I've found that the acronym DOCTOR SELF is very he...

Answered by Megan S. • Spanish tutor

3857 Views

If a ball is thrown at a velocity of 5m/s, what height does it reach?

For this, we use the conservation of energy. We know that loss of kinetic energy = gain in potential energy, so KE = PE. Our equation is 0.5mv² = mgh, but as we have m on bot...

Answered by Laura U. • Physics tutor

5699 Views