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How do I do this question: A small stone is projected vertically upwards from the point A with speed 11.2 m/s. Find the maximum height above A reached by the stone.

[Draw Diagram] We are given the inital velocity u=11.2m/s and we know the acceleration due to gravity is 9.8m/s^2. We need to find the distance 's'. When the stone is at its highest point the velocity wil...

Answered by Luke W. • Maths tutor

5655 Views

What are some tips for writing an essay in French?

There are several things I try to bear in mind when coming to write a French essay- some which apply to essay writing in general, and others specific to writing in French. Firstly I have found that it is ...

Answered by Henry T. • French tutor

8075 Views

In a sentence using the ‘passé composé’, when do we agree the past participle with the subject and the direct object?

With the subject: The past participle only agrees with the subject of the sentence when the auxiliary (auxiliaire in French) is the verb ‘être’. When the auxiliary ‘avoir’ is used, the past participle nev...

Answered by Aliette P. • French tutor

4001 Views

Ethane is an organic compound. Please (a) write down the molecular formula of ethanoic acid and (b) verify the type of organic compound ethanoic acid belongs.

a) C2H6 b) Carboxylic Acid

Answered by Sum I F. • Chemistry tutor

2352 Views

Solve the simultaneous equations: x^2 + y^2 = 29 and y - x = 3

To solve these equations we need to eliminate one of the variables, so make y the subject of the second equation: y = x + 3. Now y can be substituted into the first equation: x^2 + (x+3)^2 = 29. Expanding...

Answered by Trisha G. • Maths tutor

3871 Views