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ball A has mass m and velocity u. ball B has mass 2 m and velocity 2uby conservation of momentum:mu - 4mu = mv + 2mx (1)where v is the velocity of ball A and x is the velocity of ball B after collision.by...
Investment appraisal is an evaluation of the attractiveness of an investment proposal and can be done via several methods. To measure the profitability of buying the new machinery from Cook Technology...
The task of trying to maintain profitability throughout all periods of the year is a challenge for many businesses, particularly those who operate season businesses. Yet, the extend to which seasonality w...
An ordinary dice has six sides. We have an equal chance to roll on any of these six sides. This gives us the probability of rolling a 3 (or any other number) as 1/6.Each roll is independent i.e the result...
When solving a quadratic equation, you have two options. Take the general form ax^2+bx+c=0Method 1: Solution by FactorisingWhen the numbers involved look fairly simple, look for a way to factorise the qua...
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