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If a 5 metre ladder is resting against a wall and the bottom of the ladder is 3 metres away from the wall, and someone pulls the bottom of the ladder away at a speed of 1 metre per second, calculate the speed of the top of the ladder after t seconds

After t seconds the distance between the bottom of the ladder and the wall is t metres. Let x denote the distance that the top of the ladder has moved after t seconds. Now use the theorem of Pythagoras to...

OB
Answered by Oliver B. Maths tutor
2759 Views

How do you identify whether the past participle should agree with the gender and number of the nouns in 'Passé Composé'?

Generally speaking, it depends on whether the verb conjugates with 'avoir' or 'etre'. Should the verb require 'etre', the past participle agrees with the gender and number, e.g. elle est sortie.The...

VZ
Answered by Victoria Z. French tutor
1857 Views

Describe the relationship between different hormones regulating the menstrual cycle?

There are 4 main hormones regulating the menstrual cycle. We can split them into 2 groups: FSH (follicle stimulating hormone) and LH (luteinising hormone) made by the pit...

VK
Answered by Valeriya K. Biology tutor
3127 Views

What led to the Plum Pudding model being replaced by Rutherford's nuclear model of the atom? (6 marks)

The Plum Pudding model states that charge and mass is spread throughout the atom. An idea that electrons are spread within a mass of positive charge.Rutherford carried out an experiment where he fired hig...

RP
Answered by Rachna P. Physics tutor
20525 Views

‘The Ontological Argument fails because existence is not a predicate.’ How far would you agree with this claim?

St. Anselm acknowledges this in his ‘Proslogian’ that his argument is based on the quote from Psalm 14:1. The Ontological Argument is an A Priori argument of which Anselm seeks to prove and validate God’s...

IB
2727 Views

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