Modified Euler's Method (or RK2)

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kris
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I wondered if someone could do this for me so that i can use it as an example to learn from, it is from a past paper for an exam i will be sitting soon.

Suppose that a sky diver steps out of an aeroplane at an altitude of 10,000ft and that his downward acceleration is given by:

dv/dt = 32 - 0.005v^2

Use the modified Euler Method's with step size (h) of 0.5s to approximate the speed after 2s.

I vaguely understand it but exactly how to do it evades me.

Any help would be appreciated! :smile:
 
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