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What is a vector and how do I calculate the 'modulus' of a vector?

A vector is something that has both magnitude and direction. An example of a vector is velocity because it has magnitude and direction. However, speed is not a vector. Th...

Answered by Anya S. • Maths tutor

17851 Views

cosx=cos60° what's X between 0 and 360

x=300 because when you draw a y=cos x graph the cos 60 is on the decreasing part of the curve just before 90 degrees crossing zero. Then at 270 its increasing again and its 30 degrees more.

Answered by Omar B. • Maths tutor

8917 Views

This question is about the nervous system. Describe the difference between the function of a receptor and the function of an effector. In your answer you should give one example of a receptor and one example of an effector.

A receptor detects a change in stimuli e.g. eye detects light - An effector carries out a response e.g. muscle

Answered by Samim Y. • Biology tutor

5070 Views

What does assonance mean?

Assonance is a literary term that describes the repetition of sounds in words that do not rhyme. Assonance is very effective in: 1) Making a phrase memorable. The catchphrase 'nice as pie' is easy to reme...

Answered by Jasmine C. • English Literature tutor

6154 Views

How do I answer a question on the usefulness of a source

The source based section of your paper will ask you to assess how useful the source is, either in the specific context or in general. To assess the usefulness of a source, you should focus on the content ...

Answered by Halimah Z. • History tutor

10540 Views