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UUD, 2 up quarks and 1 down quark

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...

Obviously it depends on the subject that you are applying for but usually they would start off with a challenging yet well-known problem in the field. From there they will probe you in order to see where ...

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.

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