A blue passenger train moves southwards at a speed of 120km/hr. Unfortunately as it enters a junction it collides with a brown goods train moving northwards. The collision happened 50 minutes after the goods train takes off. Using a Java program illustrate the answer.

Hello Wilfred, welcome to DaniWeb.

We don't do people's homework for them.
If you have a specific problem with some aspect of Java then we're glad to help, but simply copy/pasting your assignment and waiting for an answer is just insulting.

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Post what you have done so far and someone will help you from there.

Thanks, the question was submitted in error. I have already done it on my own.

Thanks for the reponse, the question was submitted in error, just needed to verify my answers with the community. I had already done it.

OK, that's ok. If there is anything you still want to verify or discuss please feel free to ask.