Question #6417109Single Choice

Physics

Question

An object accelerates from an initial speed of 8m/s at 2m/s2 for 7s before reaching a cruising speed. It then travels at that cruising speed for 12s before accelerating again at 3m/s2 for another 3s. What is the total displacement of the object?

Options

A
    448.5 m
B
    272.5 m
C
    392.5 m
D
    382.5 m

Answer & Analysis