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Why two positive charges repel with increasing velocity and decreasing acceleration?
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Does an object that is moving in a linear path with an acceleration in the direction opposite to the motion have a decreasing velocity?
No. Acceleration is Delta-Velocity / Delta-Time. If Acceleration is negative then that means that either Delta Velocity is negative or Delta Time is negative---which is not practical. For Acceleartion to be negative, that means the Velocity has to Decrease. (where Delta Velocity is change in Velocity or V2 - V1)
What is the meaning of the rate of change of velocity?
The rate of change of velocity, either increasing or decreasing, is its acceleration or deceleration.
Is it possible for an object to have an increasing velocity and an increasing acceleration?
If your acceleration is increasing then by default your velocity has to increase. Acceleration = velocity/time so if acceleration is increasing the velocity is also increasing... And just for fun, just as the change in distance is velocity, and change in velocity is acceleration with respect to time, the change in acceleration with respect to Time is called a jerk
What is the effect on accelerationif we decreasing velocity?
If you are decreasing velocity, you are undergoing negative acceleration.
Does acceleration have a negative or positive value if the velocity is increasing speed?
In this case, acceleration is positive. Negative acceleration would cause the object to slow down (decelerate.)
What is called negative accelarration?
Deceleration. Negative acceleration = Velocity is decreasing by time. Positive acceleration = Velocity is increasing by time. Zero acceleration = Velocity is the same by time.
Why does the slope of a velocity time graph give you acceleration?
if there is a slope, the velocity is either increasing or decreasing. This is acceleration.
When acceleration increase does velocity increase?
No. Acceleration IS a change of velocity - any change. When velocity increases, there IS acceleration. The acceleration itself may be increasing, decreasing, or remain constant.
Does an object that is moving in a linear path with an acceleration in the direction opposite to the motion have a decreasing velocity?
No. Acceleration is Delta-Velocity / Delta-Time. If Acceleration is negative then that means that either Delta Velocity is negative or Delta Time is negative---which is not practical. For Acceleartion to be negative, that means the Velocity has to Decrease. (where Delta Velocity is change in Velocity or V2 - V1)
What is the meaning of the rate of change of velocity?
The rate of change of velocity, either increasing or decreasing, is its acceleration or deceleration.
Does an object experiencing a constant velocity have a zero or non-zero value for acceleration?
If an object is sustaining a constant velocity it has 0 acceleration, because acceleration is either increasing or decreasing speed.
Is it possible for an object to have an increasing velocity and an increasing acceleration?
If your acceleration is increasing then by default your velocity has to increase. Acceleration = velocity/time so if acceleration is increasing the velocity is also increasing... And just for fun, just as the change in distance is velocity, and change in velocity is acceleration with respect to time, the change in acceleration with respect to Time is called a jerk
What is the effect on accelerationif we decreasing velocity?
If you are decreasing velocity, you are undergoing negative acceleration.
Does acceleration have a negative or positive value if the velocity is increasing speed?
In this case, acceleration is positive. Negative acceleration would cause the object to slow down (decelerate.)
In what ways is a bouncing ball accelerating?
-- On the way down, its speed is increasing, which is a change in velocity, i.e. an acceleration. -- At the bounce, its direction changes, which is a change in velocity, i.e. an acceleration. -- On the way up, its speed is decreasing, which is a change in velocity, i.e. an acceleration.
If the acceleration is increasing with time will the velocity graph be a straight line concave up or concave down?
Concave up. "Acceleration is increasing with time" tells us that the derivative of acceleration is positive. Since acceleration is the derivative of velocity, this means that the second derivative of velocity is positive. By definition, having a non-negative second derivative means that velocity is concave up.
What is the change in velocity per unit time?
Acceleration.
