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What is the subjunctive?

The subjunctive is a tense that exists in Spanish but not in English. The two most commonly used forms are the past imperfect and present. It is used with certain triggers (phrases and moods) that can be ...

Answered by Lizzi G. • Spanish tutor

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What is a stereoisomer?

Stereoisomers are molecules with the same structural formula (same number of each type of atom bonded together in the same order e.g. carbon bonded to carbon bonded to oxygen) but with the atoms arranged ...

Answered by Lizzi G. • Chemistry tutor

3108 Views

There are two lines in the x-y plane. The points A(-2,5) and B(3,2) lie on line one (L1), C(-1,-2) and D(4,1) lie on line two (L2). Find whether the two lines intersect and the coordinates of the intersection if they do.

We first want to find the equations of the lines. The general equation of a line is: (y-y₁)=m(x-x₁) where (x₁,y₁) are the coordinates of a point on the line and...

Answered by Zsofia S. • Maths tutor

7065 Views

Why is an object that moves in a circular path accelerating when it has constant speed?

Think about the definition of acceleration - it is the rate of change of velocity. Your statement that the object's speed is constant is correct, can you think about why the object's velocit...

Answered by Inigo S. • Physics tutor

1877 Views

How crucial were the Falklands war to Margaret Thatcher's election victory in 1983?

It can be argued that the Falklands war was an essential factor in Thatcher's landslide election victory in 1983 that saw the Conservative Party win a 144 seat majority. By 1982, economic and social unre...

Answered by Alex M. • History tutor

10086 Views