Match the following differential equations with their solutions. The symbols A, B, C in the solutions stand for arbitrary consta
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Let be the speed of train A, and let's set the origin in the initial position of train A. The equations of motion are
where are the positions of trains A and B respectively, and t is the time in hours.
The two trains meet if and only if , and we know that this happens after two hours, i.e. at
Solving this equation for v we have
So, train A is travelling at 105 km/h. This implies that train B travels at
Answer:
Step-by-step explanation:
3. add exponents
4. multiply exponents
5. distribute and multiply exponents
6. multiply and then add exponents
7. distribute and multiply exponents
8. multiply and then add exponents