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E=F/Q. F= 20*(1.6910^-19)=3.3810^-18NF=ma m=9.1110-31 kgTherefore, a = 3.71 * 10^12 m/s^2Since v^2= u^2 + 2as and s= 0.5m,Then v=1.9310^6 m/s

Step 1, pick out the important information from the question: Carbon: Hydrogen: Oxygen % by weight: 64.8: 13.62: 21.58 Step 2, from the periodic table, find out the relative atomic masses of each element:...

Equal rights for man were key political Enlightenment ideas that were pivotal to the American and Haitian Revolutions. These ideas were underpinned in Rousseau’s ‘Social Contract’[1] (Appendix, Sou...

The curve is a quadratic equation because it has a x^2 - as it is positive it will be a u shaped parabola. The equation can be factorised by thinking of two numbers which add to make 4 (the b value) and m...

1. Acetycholine released from presynaptic neurone2) Acetylcholine diffuses down its concentration gradient and attaches to receptors on postsynaptic neurones3) This causes sodium channels to open on th...