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To find the height we first need to find the initial vertical velocity of the stone. This will be equal to 20 * sin(30) = 200.5 = 10m/s. From here we can use SUVAT. In this case s=-h,u=10m/s, v is unk...
This is a typical example of a skill that examiners like to ask - for some exam boards it'll be mandatory that this question comes up and that means you can easily prepare a structure to aid you when you ...
This question can be solved using the elimination method. Set out the problem as follows: x+3y=11 - x+2y=9 0+y=2 => y=2 Therefore one can substitute the val...
Bowlby studied infant attachment systems and was a key figure in developmental psychology. As an evolutionary psychologist he believed attachment was based on innate systems. One good example of a mechani...
Motor neurone - carry info from the central nervous system to the effector cells
Sensory neurones - carry info from sensory receptors to the CNS
relay neurones - carry signals from one part ...
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