Answer in Mechanics | Relativity for Patricia #138936
March 12th, 2023
Acceleration is defined as change in velocity per unit time.
In the given question, initial velocity is 5 m/s
Final velocity is 15 m/s
Time taken is 4 s.
Then acceleration is given by,
“a=frac{v-u}{t}=frac{15-5}{4}=2.5m/s^2” in South direction.