In the first 10 s, the car traveled 80 m, and for the next 15 s, 170 m, determine the average speed of the car on its way.

univerkov | January 9, 2021 | education

Given:
t1 = 10 s
s1 = 80 m
t2 = 30 s
s2 = 480 m
Find: vср-?
decision
vav = stotal / ttotal;
s = s1 + s2;
s = 80 + 480 = 560;
t = t1 + t2;
t = 10 + 30 = 40;
vav = 580/40 = 14 m / s
Answer: 14 m / s.

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.