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When catching a ball, a cricketer moves his hands for a short distance in the direction of travel of the ball as it makes contact with his hands. Explain why this technique results in less force being exerted on the cricketer's hands

As his hand moves back with the ball, the time taken to stop the ball is greater. This means that the rate of change of momentum is less (because the rate of him changing the speed of the ball is much slower...
LW
Answered by Lisa W. • Physics tutor
12097 Views

How are membranes classified according to their permeability?

An impermeable membrane is one through which no substance can pass. Semipermeable membranes are those which only let solvents, such as water, pass through them. Permeable membranes are those which let solven...
AM
Answered by Adam M. • Biology tutor
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How is water reabsorbed in the loop of Henle?

To understand how water is reabsorbed in the loop of Henle, it helps to first consider what happens in the ascending limb. The ascending limb is permeable to ions but impermeable to water. Ions are pumped ou...
ER
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"The role of the sheriff saw the most important changes in English local government in the period 1066-1215" How far do you agree with this statement?

Intro: (Present factors you will be using in the order you will address them and state your argument) The role of the sheriff fluctuated dependent on kingship; but a general trend saw their duties placed und...
EW
Answered by Eloise W. • History tutor
3407 Views

How can we write a good essay about the selected piece of A-Level Literature e.g. L'etranger by Albert Camus?

This is a very common question because one of the major parts of the French written exam is the essay which will focus on an aspect of literature which the students have studied. Having achieved an A* in my ...
JB
Answered by Jason B. • French tutor
5120 Views