Question

1. If velocity- time graph of an object is a straight line parallel to the X- axis, Whatwill be its acceleration?​

Answer 1

Answer:

Δv=a⋅Δt

where: v = velocity, a = acceleration, and Δt = change in time

∴a=ΔvΔt

If a graph is drawn on two axis, labelled x and y : gradient =ΔyΔx.

∴ if, as in the case of a velocity time graph, v is used as the y axis, and t as the x axis, then the gradient of the graph represents the acceleration of the object in question.

If the graph runs parallel to the x axis, then at that point the gradient of the graph, and thus the acceleration of the object, is 0, because the value of the y axis is not changing.

However, velocity is defined as the change in displacement per unit time (v=ΔsΔt). For this reason, an object cannot have more than one distinct velocity value at each given moment, which would be necessary if the velocity-time graph ran parallel to the y (v) axis.

Explanation:

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