What is the acceleration between two points on a velocity time graph which has coordinates (10s, 15 ms-¹) and (20 s, 35 ms-¹)?

Physics Jamb, Waec, Neco Past Questions & Answers on Speed, Velocity and Acceleration

QUESTIONS 61. What is the acceleration between two points on a velocity time graph which has coordinates (10s, 15 ms-¹) and (20 s, 35 ms-¹)?

A. 1.7 ms-²

B. 3.50 ms-²

C. 1.00 ms-²

D. 2.00 ms-²

JAMB 2009(4) Ans: D 

Solutions 

Acceleration a, = ΔV/Δt

a = V−U/t2−t1

a = 35−15/20−10

a = 20/10

a = 2ms−²