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What is the angular velocity of a car wheel which diameter is d = 15 mm if the car velocity is of 120 km/h?

First, we change the units of the datas: v=120 km/h = 120 km/h x 1 h / 3600 s x 1000 m /1 km = 33.333 m / s d=15 mm = 15x10 -3 m Using the formula of the angular velocity: w=v/r = 33.33 m/s / 15x10 -3 m= 222...
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Answered by Lucia A. • Physics tutor
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How far did religion affect side-taking in the English Civil War?

Religion was central to seventeenth-century society and therefore played a predictable part in influencing side-taking during the English Civil War. To the larger segment of the population, and especially to...
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Answered by Matthew C. • History tutor
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When performing differentiation in core 3, in what circumstances do I apply the chain, product and quotient rule?

You must apply the chain rule whenever you see a function contained within another function. For example, if you were to differentiate (sin x) 2 you would apply the chain rule as the sin function exists insi...
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Answered by James S. • Maths tutor
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Assess the impact of transnational corporations (TNCs) on their host countries.

The impact which Transnational Corportaitons (TNCs) have on their host countries, countries which in they both offshore their operations to and set up branches in, is a contested subject within socio-economi...
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Answered by Will H. • Geography tutor
11693 Views

What is the imperfect subjunctive and when and how do I use it?

The imperfect subjunctive is a way of expressing something that could have happened, or you wished had happened in the past, or as a way of suggesting something that is unlikely to happen in the future. It i...
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Answered by Nick R. • Spanish tutor
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