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If newton's 3rd law is true how does anything move?

Newton's 3rd law, simply put, is every action has an equal and opposite reaction. This means when you push on an object the object experiences a force (from you) and the object exerts an equal force on you i...
RK
Answered by Roy K. • Physics tutor
13868 Views

When should you use the 'imperfetto' and when should you use the 'passato prossimo'?

The imperfetto (eg. facevo, era) is used for a continuous or repeated action or a description in the past. For example, if something happened everyday you would use the imperfetto, (eg. 'Ogni giorno mangiavo...
Answered by • Italian tutor
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What are some of the pressures that face the NHS, and how does this affect our doctors?

There are many pressures facing our NHS, including the ageing population, and overcrowding. We find that with the increasing life expectancy of people in the UK, they will likely develop multiple conditions;...
FR
1742 Views

Why is the classical model of light insufficient in explaining the photoelectric effect?

In the classical model, light is a wave and it's energy depends on its intensity. This would predict electron emission at all wavelengths of light. So the model cannot explain the threshold frequency of ligh...
RK
Answered by Roy K. • Physics tutor
5700 Views

What are the conditions for an event to be modeled with the binomial distribution?

The event should be; mutually exclusive from the other outcome, independent from the other outcome (so its probability doesn't change ) and happen within a fixed number of trials . A good example would be th...
RK
Answered by Roy K. • Maths tutor
3551 Views