Find the second distance (d2) in the problem below. An airplane takes off at 6:00 AM and flies a straight path at 275 km/h until 12:00 PM. Its velocity then changes to 350 km/h in the same direction until it lands at 2:30 PM. What is its average velocity the entire flight?
140 km
354.5 km
548 km
875 km
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Answer: 4 hr * 300km/hr = 1200km
2.5 hr * 400km/hr = 1000km
2200km/6.5hr = 338.46km/hr
Explanation:
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