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A uniform ladder of mass 5 kg sits upon a smooth wall and atop a rough floor. The floor and wall are perpendicular. Draw a free body diagram for the ladder (you do not need to calculate any forces).

Diagram should include two orthogonal lines, representing the wall and floor. Connecting them should be a diaganol line (the ladder) At the midpoint of the line should be a vertical downward arrow whose head...
DG
Answered by Dean G. • Maths tutor
3736 Views

How do I factorise quadratic equations into brackets?

I would go through with the tutee the 4 steps that would
JG
Answered by Josh G. • Maths tutor
3493 Views

How do you integrate ?

In order to integrate an algebraic term, such as 8x 3 + 4, one must first take the power of the first term and increase this by 1, getting 8x 4 . Secondly , divide the coefficient on x by the new power, in t...
LH
Answered by Louie H. • Maths tutor
4011 Views

Why does the rate of an enzyme reaction not just always increase with temperature? Why does it fall after a point?

Enzymes have an area on them known as the ACTIVE SITE. This active site is shaped to fit the substrate that will bind to it -complementary fit. Eventually, the bonds in the active site of the enzymes are goi...
JP
Answered by Jacob P. • Biology tutor
3126 Views

Why would I use dictionaries instead of a list?

A dictionary has several advantages over a list especially in python. Dictionarys have two parts to every entry the key and the value and these are stored as pairs. This can give you more flexibility when st...
BT
Answered by Billy T. • Python tutor
7395 Views