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To what extent was the presidency of Lyndon Johnson the most important turning point in the development of African American civil rights?

In planning an answer to this question, it is important to first deconstruct the question itself. By doing this, you can gauge what it seems the examiner is looking for, and plan your response accordingly.'E...
AH
Answered by Amelia H. • History tutor
5278 Views

What is the stress in a cylindrical rod of 10.0cm diameter when loaded by 50.0N force at each end?

Stress = Force/Area and cross sectional area of a cyclinder = pi.r 2 As diameter = 10.0cm=0.1m r=0.05m so area = 3.14*0.05 2 = 0.00785m 2 As the force is 50.0N the stress is 50/0.00785=6369Nm -2 or 6.37kPa t...
RH
Answered by Rowan H. • Physics tutor
4063 Views

F = 5i + 3j. Find the magnitude and direction of F?

i is the unit vector (magnitude of 1) in the direction of the positive x-axis. j is the unit vector in the direction of the positive y-axis. The magnitude of F would be the length of the hypotenuse of a righ...
RI
Answered by Rafiqul I. • Maths tutor
21496 Views

What is Plato's Analogy of the Cave and its significance for philosophers?

With Plato’s analogy of the cave I find it is really useful to understand it visually, so I’m going to draw a diagram of the cave as I explain it. The useful thing about this is that when it comes to revisin...
EC
11449 Views

Describe and explain how an action potential is generated

This is a common question, that takes a little while to get your head around. Once you've understood the process, it can be simplified down to a cycle of 3 steps for memory: depolarisation , repolarisation a...
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Answered by Diluxshan S. • Biology tutor
4984 Views