Question

for accelerated motion, how do changes in distance compare with equal changes in time?

for accelerated motion, how do changes in distance compare with equal changes in time?

Homework Answers

Answer #1

Consider an object starts from rest and moving with constant acceleration.

from equations of motion:

Here v0 is the initial velocity, a is the acceleration and t is the time.

since starts from rest, v0 = 0, thus

thus, for constant acceleration the distance is directly proportional to the square of the time.

Therefore, the distance changes for first second, in first 2seconds, first 3seconds like,

x1: x2 : x3 : x4 = 1 : 4 : 9 :25

For equal changes in time, like first second, only in 2second, only in 3sec,.... the object traveled equal distances.

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