Question

Whenever an object moves with a constant speed, its speed - time graph is a?
a) Parabola, parallel to the time axis
b) Straight line, perpendicular to the time axis
c) Straight line, parallel to the time axis
d) Parabola, perpendicular to the time axis​

Answer 1

Answer:

B) Straight line, perpendicular to the time axis

Explanation:

Straight line, perpendicular to the time axis

Answer 2

Explanation:

It's C

Straight line parallel to the time axis