A jet starts at rest at the end of a runway and reaches a speed of 80 m/s in 20 s. What is its acceleration?
Physics · High School · Tue Nov 03 2020
llm
Answered on
Formula Used : a = (v-u)/t
Here, we have u = 0 m/s, v = 80 m/s t = 20 s
So, a = (80-0)/20
a = 80/20
a = 4 m/s^2
Thus, jet's acceleration is 4 m/s^2.