A truck speed increases uniformly from 10 m/s to 30 m/s in 20 seconds.

Question

Find the ff:
a. average speed
b. acceleration
c. distance covered during the period

Answer 1

a. V=(V1 + V2) / 2=(10 + 30) / 2 = 20 mi/h.

b. a = (Vf - Vo) / t,
a = (30 - 10) / 20 = 1m/s^2.

c. d = (Vf^2 - Vo^2) / 2a,
d = (900 - 100) / 2 = 400m.

Answer 2

a trucks speed increase uniformly from 15 mi/h to 60 mi/h in 20 seconds.
determine: A. what is average speed
B. acceleration C. distance travelled