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What is Newton's first law of motion?

Newton's first law of motion states 'an object will only experience acceleration if a resultant force is acting on it'. This means that only unbalanced forces will cause a change in the speed of the object. ...
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Answered by Daniel L. • Physics tutor
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Explain why the product of a nucleophilic addition to butanone does not effect plane polarized light.

The nucleophile will attack the d + carbon atom of the carbonyl group. Since the carbonyl group is planar, attack can occur from either side with equal probability. The product of this reaction will contain ...
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Answered by Philip W. • Chemistry tutor
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Frank owns an ice cream van. When he bought the van five years ago and an ice cream cost £1.50. If the price of an ice cream increases by 3% a year how much does an ice cream cost now?

new amount = old amount * (1 + interest)^(number of times interest has occured) new amount = 1.50 * (1 + 0.03)^5 = £1.74 (rounded to 2 decimal places)
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Answered by Thomas N. • Maths tutor
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Differentiate y = x^3 + 2x^2 + 4x + 7

To differentiate you bring the power down and multiply it by any coefficients (numbers in front of the xs) then subtract one from the power So x 3 becomes 3x 2 2x 2 becomes 2*2x 2-1 = 4x 4x becomes 4*1x 1-1 ...
CS
Answered by Courtney S. • Maths tutor
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Why did the Conservative Governments dominate politically in the 1950s

There are many reasons why the Conservative governments stayed in power for so long and remained successful during the 1950s. Firstly, they kept the 'feel good' factor high amoungst the public by discarding ...
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Answered by Amelia D. • History tutor
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