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Answer:2/9On the first pick of the bag, there are 10 balls in total. Out of these balls, 5 are green. Therefore the probability of picking a green ball will be 5/10 or 1/2. On the second pick of the bag, ...
Answer: 20ms-1The gravitational potential energy before the ball is dropped is equal to mgh. This gives the ball a maximum gravitational potential energy of 5.0kg * 9.8N/kg 20m which is equ...
13cm. Using Pythagoras theorem a^2 +b^2 =c^2 we substitute our two known lengths into the equation to get 5^2 + 12^2=c^2.So now we have c^2= 25+144. So c^2 =169. So c=√169 = 13. Don't forget the un...
Underline key words, ie. if the question is 'What is the significance of women in Of Mice and Men?' you would underline 'what', 'significance', 'women' and 'Of Mice and Men'. This allows you to k...
Osmosis is the movement of water molecules from an area of high concentration to an area of low concentration through a selectively permeable membrane.
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