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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...

Answered by Amelia H. • History tutor

4457 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.r²
As diameter = 10.0cm=0.1m r=0.05m so area = 3.14*0.05²= 0.00785m²
As the force is 50.0N the...

Answered by Rowan H. • Physics tutor

3423 Views

Olly drove 56 km from A to B. He then drives 61 km from B to C. Olly’s average speed from A to B was 70 km/h. Olly took 75 minutes to drive from B to C. Work out Olly’s average speed for his total drive from A to C.

Key fact: Average speed = total distance/ total timeStep 1: find the time taken for Olly to travel from A to B. Using the formula: time taken = distance travelled / speed(56/70 = 0.8 hrs = 48 mins)Step 2:...

Answered by Sacha W. • Maths tutor

11597 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 ...

Answered by Rafiqul I. • Maths tutor

19728 Views

CaCO3 + 2HCl = ?

CaCO₃ is a carbonate and HCl is an acid, so the products will be a salt, water and Carbon Dioxide.Removing 2 Hydrogen atoms and an Oxygen atom for the H₂O, and one carbon atom and 2 ...

Answered by Toby G. • Science tutor

5365 Views