A locomotive starts from rest and accelerates at 0.12
meter per second2 to a speed of 2.4 meters per second
in 20. seconds. This motion could best be described as
A) constant acceleration and constant velocity
B) increasing acceleration and constant velocity
C) constant acceleration and increasing velocity
D) increasing acceleration and increasing velocity

Constant acceleration motion or uniformly accelerated rectilinear motion (u.a.r.m) is a movement in which mobiles move in a straight line at a speed that varies uniformly over time. In other words, the u.a.r.m occurs when its path is a straight line and its acceleration is constant and different from 0. This implies that the speed increases or decreases its modulus in a uniform way.

This type of movement occurs in this case, where the acceleration will then be constant and as the locomotive starts from rest and moves up to a speed of 2.4 meters per second. in 20 seconds, then the speed will increase evenly.

So, this motion could best be described as C) constant acceleration and increasing velocity.

andromache andromache · Answer 2 · 2021-11-23T15:39:29+01:00

The motion that described the constant acceleration and increasing velocity.

The following information should be considered:

Constant acceleration motion refers to the movement where it is moved in the straight line at the speed when it change according to the time.
The path is in the straight line but the acceleration is constant and at the same time the velocity decrease or increase.
As per the given situation, the velocity should be increased.

Therefore, we can conclude that the correct option is c.

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