6. If a distance - time graph for the motion of a body in a line is parallel to x- axis then b. the body is moving with a constant speed.

6. If a distance - time graph for the motion of a body in a line is pa

1.	6. If a distance - time graph for the motion of a body in a line is parallel to x- axis then b. the body is moving with a constant speed.
Answer» According to distance - TIME graph,Distance-time graph means that Distance is the y axis, and Time is the x axis.If we draw a line that is parallel to the x axis, then it's slope is null .USING the first derivative of motion, change in distance is VELOCITY.∆x=vSince the change in distance is zero, because the slope is zero, we can DEDUCE that the velocity is also zero.Hence, Option B is correct.

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6. If a distance - time graph for the motion of a body in a line is parallel to x- axis then b. the body is moving with a constant speed.

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