Answer:
450km.
Explanation:
If train travelled 250km in 5hours, it means it is travelling at a Avg. speed of 250km/5h = 50km/hr.
Since the total amount of time travelled is 5h+4= 9hr, then the total displacement is 50km/hr*9hr = 450km.
Im asian so slay I’ll explain.
EXPLANATION : Back then rivers were important to many settlements such as ancient Egypt because they grow crops, etc. Its the same thing for ancient china. The yellow river was a important river because it provided farmland for china and was basically born for farming.The yellow river’s water carries silt which is how it got its name and when the river would flow it leaves yellow residue behind. Silk was important to ancient china because back then they traded with other places a lot and silk was a main material that was traded.
Yas: I hope this was helpful and sorry if I explained it in a very longgg way
Watt introduced a design enhancement, the separate condenser, which avoided this waste of energy and radically improved the power, efficiency, and cost-effectiveness of steam engines. Eventually he adapted his engine to produce rotary motion, greatly broadening its use beyond pumping water.
<span>C.Voters would elect a convention a adopt a new state constitution. </span>
