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Since we are neglecting air resistance the energy of the ball is conserved. We set the gravitational potential energy to be U=0 at h=0. Applying conservation of energy at h=0 and h=hmax , we ge...
In order to answer these sorts of questions where you have double brackets and need to expand them it is useful to use the FOIL (First Outer Inner Last) method. By using this systematic method it ensures ...
The ketone group is planar and the cyanide ion has equal chance of attacking above or below the plane. Therefore a racemic mixture of the product is formed and the product shows no optical activity
Again, I would highlight the important points of the question.
Jodie buys 12 cans which are 330ml in each can.
Rob buys 4 bottles which are 1 litre each.
So to break this question down, I would highlight the key points of the question.
She earns £7 per hour on Monday to Friday.
She earns £10 per hour on Saturday
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