Question

question 1 - If Rojelio starts out at rest, and in 10 s speeds up to 50 m/s, what is his acceleration?

A - 12 m/s^2

B - 8 m/s^2

C - 5 m/s^2

D - 15 m/s^2

question 2 - If Juan starts out at 10m/s, and in 15 s speeds up to 60 m/s, what is his acceleration?

A - 10 m/s^2

B - 3.33 m/s^2

C - 4 m/s^2

D - 15 m/s^2


question 3 - If Julia starts out at rest, and in 13 s speeds up to 75 m/s, what is her acceleration?

A - 13 m/s^2

B - 5.76 m/s^2

C - 6 m/s^2

D - 7.4 m/s^2

question 4 - If Angelica starts out at 30m/s, and in 16 s speeds up to 84 m/s, what is her acceleration?
A - 3.44 m/s^2

B - 5 m/s^2

C - 3.375 m/s^2

D - 4 m/s^2

Answer 1

acceleration = (change in velocity) / (change in time)