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Particles P and Q move in a plane with constant velocities. At time t = 0 the position vectors of P and Q, relative to a fixed point O in the plane, are (16i - 12j) m and -5i + 4j) m respectively. The velocity of P is (i + 2j) m/s and the velocity of Q

is (2i + j) m/s. Find the shortest distance between P and Q in the subsequent motion. This is an m4 question from the edexcel June 2015 paper. First I would explain to the student that I would form an equ...

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Why does an electric drill heat up when passing through metal compared to in thin air?

To understand why the drill produces more heat we must understand Lenz's law. Lenz's law states that the direction of an induced current is always such as to oppose the change that causes the current. In ...

Answered by Physics tutor
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How does context effect the way in which we view literary works?

We should always aim to consider the context surrounding a literary work, so we need to consider the period in which is was written and who it was written by. This allows further analytical depth,...

Answered by English Literature tutor
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How do you effectively respond to an interpretation question?

In order to do so, you first need to break down the view of the Historian. This can seem daunting, but if you follow the steps of: highlighting their overarching view, highlighting smaller element...

Answered by History tutor
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How do/make I do a high-level conclusion?

In order to have a high-level conclusion, you need to go through 4 phases. Stating your argument (that you have reinforced throughout the entirety of the essay), stating the counter argument, discrediting...

Answered by History tutor
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