When will you say a body is in (i) uniform acceleration? (ii) non-uniform acceleration?

During an experiment, a signal from a spaceship reached the ground station in five minutes. What was the distance of the spaceship from the ground station? The signal travels at the speed of light, that is, 3 × 108 ms–1

What does the path of an object look like when it is in uniform motion?

Under what condition(s) is the magnitude of average velocity of an object equal to its average speed?

Distinguish between speed and velocity.

Which of the following is true for displacement? (a) It cannot be zero. (b) Its magnitude is greater than the distance travelled by the object.