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Q: Which descibes constant acceleration in one direction?
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Can two directions of velocity of an object change when acceleration is constant?

An object can have only one velocity at any point in time. That velocity can have components in two (or more) directions.If acceleration is constant (but non-zero), then the velocity in any direction other than perpendicular to the direction of the acceleration must change.


Can two direction of velocity of an object change when acceleration is constant?

An object can have only one velocity at any point in time. That velocity can have components in two (or more) directions.If acceleration is constant (but non-zero), then the velocity in any direction other than perpendicular to the direction of the acceleration must change.


Is it possible for an object with constant negative acceleration to change the direction in which it is moving?

Yes, an object with constant negative acceleration can change the direction in which it is moving. Negative acceleration means that the object is slowing down, so if its initial velocity is in one direction, the acceleration can eventually cause it to come to a stop and then start moving in the opposite direction.


Which describes constant acceleration in one direction?

Constant acceleration in one direction means that the object is moving at a steady rate, increasing its velocity by the same amount over equal time intervals. This results in a straight-line graph when plotting velocity against time.


Can an object acceleration if its velocity is constant?

No. It is a matter of definition. Acceleration is defined as a change of velocity. Technically, one must distinguish between velocity and speed. Velocity is a vector and includes the information about the magnitude (speed)and direction. One can have a constant speed and an acceleration (as in circular motion) but, by definition, constant velocity means zero acceleration.


If a body is moving with constant velocity is it moving with constant acceleration?

An object moves with constant velocity when there is no net force acting upon it. If there are no forces acting on an object, or if the forces acting on it "cancel out" leaving a net force of zero acting on the object, it will have zero acceleration. With a zero acceleration, the velocity of the object will be constant.


How can a car accelerate if its speed is constant?

A car can accelerate even if its speed is constant by changing its direction or increasing its velocity. For example, if a car is moving in a circle, it is constantly changing its direction, resulting in acceleration. Additionally, if a car is moving at a constant speed and then speeds up, it is also accelerating.


An object with constant velocity has positive acceleration?

Answer This occurs when an object istraveling in one direction but has an acceleration in the opposite direction, which means it is decreasing in speed. For a given period of time, the speed has decreased. Acceleration is the change of velocity per second. T1 = 5 seconds V1 = 100mph T2 = 10 seconds V2= 50 mph Acceleration = (V2 - V1 ) / (T2 - T1) = (50-100)/(10-5) = -10 ft/sec/sec Positive(+) acceleration means an object will be going faster over an interval of time.


What is an example of something that undergoes acceleration while moving at a constant speed?

An object moving in a circle at a constant speed undergoes acceleration because its direction of motion is continuously changing, even though its speed stays constant. This acceleration is called centripetal acceleration and is directed towards the center of the circle.


An object with a constant acceleration but with zero velocity what is mean is n't possible.?

Yes, it can happen. when the velocity is momentarily zero while an object is changing from moving in the positive direction motion to the negative direction; the object obviously will stop at one point, but will still have a constant acceleration.


Can the velocity reverse the direction when acceleration is constant?

Yes, when velocity and acceleration are in opposite directions and acceleration remains constant, the velocity will eventually reverse its direction. This occurs when the acceleration magnitude is greater than the velocity magnitude.


What is the acceleration of a car that is travelingin a straight line at a constant speed?

You are supposed to divide the change in velocity, by the time. In this case, the change of velocity is zero. Divide that by any time, and you get zero.Answer 2The acceleration is zeroIf the speed and direction of an object is constant, then the acceleration is zero m/s2The acceleration is defined as the velocity change per time ratio.Accelerating means increasing speed. The only way one can accelerate and travel at a constant speed is when he is changing his direction, that is, moving in a circle. This is because acceleration is the rate of change of velocity. Velocity means speed with a direction. So if the speed is kept constant, the direction has to change for acceleration.Refer to link below for more information and for more examples.