Top answers

What type of movement occurs at a) the hip and b) the knee during the downward phase of a squat?

First, think about the plane of movement that the action is occuring in. During a squat, the body looks the same when you cut it vertically down the middle. The movement is therefore occuring in the sagittal...
JW
18748 Views

Name two structural differences between arteries and veins.

Arteries have thick, elastic, muscular walls whereas veins have thin walls with few elastic fibres. Arteries need these properties to give them the strength and elasticity needed to cope with the high pressu...
JW
Answered by Jennifer W. • Biology tutor
117543 Views

How does Japanese writing work?

Japanese script consists of three different systems of symbols. Katakana, hiragana and kanji . Katakana is used for words taken from other languages, more colloquial abreviations and new buzz words. For exam...
LM
Answered by Lydia M. • Japanese tutor
3330 Views

How to solve the maths GCSE question about Hannah's sweets that went viral

Students took to Twitter to moan about how difficult the question was. I agree, there is something inherently comic about the question, since you start off talking about Hannah and sweets and then - BANG - a...
MB
Answered by MINGWEN B. • Maths tutor
9694 Views

Expand and simplify (5x – 2y)(3x – 4y)

In this question, we are asked to 'expand' out the brackets. What this means is we need each term in one set of brackets (5x and -2y) to be multiplied by each term in the other set of brackets (3x and -4y). ...
MA
Answered by Maymana A. • Maths tutor
20561 Views