After the start, the sports car covered 60 km in 0.5 hours, then in 1.5 hours it covered 270 km, and in the last hour it covered 210 km
| August 28, 2020 | Education
After the start, the sports car covered 60 km in 0.5 hours, then in 1.5 hours it covered 270 km, and in the last hour it covered 210 km. What is the average vehicle speed?
v = (60 + 270 + 210) / (0.5 + 1.5 + 1) = 180 km / h.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.