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A train is travelling at 50m/s. How long does it take the train to reach 60m/s if it accelerates at a constant rate of 0.5m/s^2? How many kilometres does it travel in this time?

The initial velocity, u, is 50 ms^-1 The final velocity, v, is 60 ms^-1 The acceleration, a, is 0.5ms^-2 The question is asking us to find the time, t. The equation of motion...

Answered by Elena S. • Physics tutor

2612 Views

How do I access top marks in an extended response for A-level religious studies?

Perhaps the most crucial piece of information you should remember when composing extended responses in essays is the importance of your own argument! Whilst you may spend the majority of your revision tim...

Answered by Tutor459097 D. • Religious Studies tutor

1243 Views

How does phagocytosis occur in macrophages?

A macrophage attaches to a pathogen by the receptors on the pathogen and macrophage binding. The pathogen is then engulfed and a phagosome forms, where a vesicle surrounds the pathogen. A lysosome moves t...

Answered by Hamza M. • Biology tutor

1877 Views

f(x)=x^2+12x+32=0, solve for x

Method 1: Quadratic formulaf(x)= ax²+bx+c, therefore a=1, b=12, c=32 - quadratic formula= (-b+/-(b²-4ac)^1/2)/2ax=(-12+(144-128)^1/2/2 = -4 or x=(-12-(144-128)

Answered by • Maths tutor

3025 Views

What's the best way to structure an IB paper one essay?

The two main ways to go about structuring your commentary are to explore the text either chronologically or by theme. The best way to choose between the two is often just to try out both and to see whic...

Answered by Amber K. • English Literature tutor

3486 Views