What is the acceleration of a car if, moving with an initial speed of 36 km / h, it developed a speed of 72 km / h in 5 seconds.

univerkov | December 21, 2020 | education

Let’s translate everything into the SI system:
V (0) = 36 km / h = 10 m / s
V = 72 km / h = 2x m / s
t = 5 s
Decision:
a = (v-v (0)) ÷ t
a = (20-10) ÷ 5
a = 2 m / s ^ 2
Answer: acceleration is 2m / s ^ 2

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.