The distance along the river between points A and B is 45 km. At the same time, two motor boats came
| May 4, 2021 | education
The distance along the river between points A and B is 45 km. At the same time, two motor boats came out towards each other, their own speeds being equal. After 1.5 hours they met, Find your own boat speed.
Given: S = 45 km, v1 = v2, t = 1.5 hours.
Find: v1, v2 =? km / h.
Decision:
1) From the formula S = v * t, we find the total speed v = S: t, v = 45: 1.5 = 30 km / h.
2) Since the speeds of motor boats are the same, we divide the total speed by 2: 30/2 = 15 km / h. This will be the speed of each boat.
Answer: v1 = v2 = 15 km / h.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.
