physics
A stationary mass of 10 kg disintegrates explosively, with the evolution of 4.2*10^5 J, into three parts, two having equal masses of 3 kg. These two masses move at right angles to each other. Calculate the speed of the third part.
maths
Solve the following differential equation: (1 + x)*(dy/dx) = y where y is a funtion of X solve by the following: A)series expansion B) elemantary method please show working
differential equations
Consider the 2nd order differential equation: x''(t)=-x-A(x^2-1)x'(t) x(0)= 0.5 x'0)= 0 ''= 2nd order,'= 1st order where A is a positive constant.As the value of A increases this equation becomes increasingly stiff. Convert this equation to two firs...
mathematics integration
Perform a change of variable and integrate the following elliptical integral I = Square root [(1-x^2)*(2-x)] limits lower,-1 and upper +1 could you show working
Algebra
what is radical 72 expressed in simpilest radical form
Math
2.3 litres is equal to how much millilitre.
Math
The homework is not mine...I am helping my 7 year old Niece to do her Math homework and just wanted to double check by getting a second opinion that the answer that we had both worked out is correct. I was not expecting anyone to do her homework...that would defeat the whole o...
Math
Share £2.oo exactly amongst 8 children, how much would each of them get.
Math
Find the cost of 100g of rice at 95p per Kilogram.
Math
Find the total of 3.7, 1.7, 0.8
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