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If a cricket ball of mass 500g is thrown upwards from the ground with an initial velocity of 20 m/s, how high will the ball reach?

The best method of answering this question would be to look at the energy of the ball at the moment it is thrown and at the moment it reaches its highest point. When the ball is thrown, initially all the ene...
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Answered by Thomas C. Physics tutor
13555 Views

How do you find the roots of a cubic equation?

Solving cubics is an interesting problem: while there is a formula which can find the roots of every cubic equation, it isn't taught and is not generally worth learning. Instead, exam questions will often gi...
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Answered by Sam M. Maths tutor
17366 Views

How do I open my personal statement?

The first sentence should immediately set out something you have done and how it directly relates to your course. Why? Some people open with a quote, or a similar "attention grabbing" flourish. Giv...
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3797 Views

How many diagrams is it best to use in an extended essay?

It's a common misconception that more diagrams are always better. In fact, a diagram that is ill-defined or poorly linked to the question will not add anything to your answer and it can demonstrate a lack of...
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Answered by David C. Economics tutor
9286 Views

How do you approach a question that asks for you to identify the conclusion from a few statements

As with all questions in the TSA, the focus on Speed as well as accuracy. First skim through the passage briefly to understand the nature of the argument. Next, if you've identfied the most important sentenc...
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Answered by David C. TSA Oxford tutor
4124 Views