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A ladder of length 2L and mass m is placed leaning against a wall, making an angle t with the floor. The coefficient of friction between all surfaces is c. At what angle t does the ladder begin to slip?

Firstly draw a free body diagram of the ladder, showing its weight and the contact forces at either end. We'll call end A the top end and end B the bottom end. The next thing to do is to eliminate all the un...
TB
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How does Dickens present Miss Havisham In his novel Great Expectations?

This extract uses the first-person perspective to align the reader with Pip during his first experience meeting Miss Havisham to establish the latter as strange and eccentric. Miss Havisham’s strangeness as ...
SK
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Was King Henry II responsible for the eventual downfall of the Angevin throne in England and France?

It can be said that Henry II - father to three boys - was ultimately responsible for the eventual downfall of the throne and loss of lands in France through his lack of foresight and planning. Not delegating...
JB
Answered by Julian B. • History tutor
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Write the equations of motion for constant acceleration and describe each term involved. Explain how to apply these equations of motion to calculate the horizontal and vertical components of a projectile moving under the force of gravity only.

The equations of motion for constant acceleration are obtained from Newton's laws of motion. They are sometimes known as the SUVAT equations and can be used to calculate components of a projectile's motion b...
TD
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Mixed rugby team of 20, 5 are female. 15 play at a time. i.) What is the percentage chance of a female playing. ii.)A minimum of three females must now be on the pitch. What is the percentage chance of 4 females playing?

i.) 5/20 * 15/20 *100 = 18.755%ii.) Since 3 have to be on the team, essentially the problem is percentage chance of one female getting onto a team of 12, therefore 2/17 * 12/17 * 100 = 8.30%
AC
Answered by Alfie C. • Maths tutor
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