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Answered 2011-09-09 12:27:31

Yes, for example, a car moving at constant speed.

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Can a situation exist in which an object has zero acceleration and nonzero velocity?

Definitely. Acceleration is defined as a change in velocity, so as long as the velocity doesn't change, acceleration is zero.

Can an object have zero acceleration and nonzero velocity at the same time?

Yes. An object moving at constant velocity would have zero acceleration.

Can the velocity of an object be zero and the acceleration be nonzero at the same time?

Yes. This happens, for example, when you throw an upject directly up, and it reaches its highest point. In that case, its velocity is zero, and its acceleration is -9.8. (If it didn't have acceleration, it would stay up there.)

If the velocity of an object is nonzero can its acceleration be zero?

Acceleration is the rate of change of velocity, a=dv/dt Therefor if a= 0 the velocity is constant or constantly the same. It can have any value however while it remains the same.

If the total displacement is zero can the average velocity be nonzero?

No, you cannot have a zero displacement and a nonzero average velocity. If the object has not moved any where how can you attain a nonzero velocity? You cannot.

Can you have a nonzero average velocity?

Yes. As long as the inital and end positions are different, you will have a nonzero average velocity.

Can a body have zero average velocity but a nonzero average speed give example?

Yes, you can. Example: An object going around in a circle.

Can an object have a zero velocity and a nonzero acceleration at the same time?

Yes. For example, if you throw an object up into the air, this will happen when it reaches the highest point. At that moment, its velocity is zero; on the other hand, at any moment, the object is accelerating downward at 9.8 meters per square second.

Is it possible for an object to be accelerating even though it has stopped moving?

No. A nonzero acceleration means that the velocity is changing, so it can only have a 0 velocity at a single point in time, such as when a ball thrown in the air reaches its peak.

If the velocity of a particle is nonzero can the particle's acceleration be zero?

yes. If the forces acting on the a moving particle are in equilibrium, (e.g. when a spherical object reaches terminal velocity (neglecting increased air resistance as it gets closer to the ground)) then the particle will be moving at a velocity, that is not 0, yet the velocity will remain constant, and the body will not accelerate or decelerate in any direction, and thus the acceleration is 0.

How can an object moving at a constant speed have a nonzero acceleration?

Because an acceleration is a CHANGE in speed or direction.

How is it possible to be accelerating and traveling at a constant speed?

Acceleration is the change in velocity with respect to time. Velocity is the change in position with respect to time (not the change in speed with respect to time, as you have written). Both acceleration and velocity are vector quantities, which means they have both a magnitude and a direction. Speed is simply the magnitude of the velocity. (It's what's called a "scalar" quantity, which is just a number without an associated direction.) An object can have a constant speed, but its direction of motion can be changing over time, so it's velocity is changing. The resulting nonzero change in velocity per unit time is the acceleration. An object need not be moving in a circle to meet these conditions. An object that moves at constant speed, but follows any path that is not a straight line must experience an acceleration. A circular path (like a satellite's orbit) is simply one example example of this.

How does vector calculus apply in fluid mechanics?

The velocity at each point in the fluid is a vector. If the fluid is compressible, the divergence of the velocity vector is nonzero in general. In a vortex the curl is nonzero.

Can a body resting on a table have zero velocity and nonzero acceleration?

It depends on the frame of reference (where it is).On Earth a body on a table is still rotating around the centre of the Earth. This implies a change of direction and thus having a velocity around the centre and an acceleration acceleration due to centripetal force that makes a body follow a curved path. Eben without this the body is orbiting the sun with the same impact

Can a body have nonzero average speed but have zero average velocity give example?

An object moving in a circular path at constant speed will have a non-zero average speed and zero average velocity since velocity is a vector parameter,

Can object have zero acceleration and nonzero velocity at the same time and give examples?

Lets break down this question: if you think about it in plain English, it's rather simple. Velocity is and object's speed in a given direction. Acceleration is a change in velocity, which can be either positive or negative. Simply put, can an object be moving, without speeding up or slowing down? Absolutely. Think a car with the cruise control on. Good luck with the rest of the homework.

Can an object have a speed of 0 while it has an acceleration that is not 0?

Yes. Acceleration is independent of speed. A perfect example of an object with zero speed but nonzero acceleration is an object at the apex of being thrown upward. The entire time it is in the air it is accelerating downward. At its maximum height its speed is zero.

Under what conditions is it possible to have a constant speed yet a nonzero acceleration?

A body can have a constant speed yet a nonzero acceleration when it is in a circular motion because though it is having a constant speed but the direction in which it is moving keeps changing at each instance and since acceleration is a vector quantity,it becomes non-zero.

Can you site an example for velocity being zero and acceleration nonzero?

Essentially NO. We can only perceive motion and acceleration, when they change, but all we really see is apparent motion and apparent acceleration, for they are observed with respect to the remainder of the Universe. Without complete information on that state, we cannot be certain the observed item has no change of state. In the specific state of a body rotating around another such; as a geostationary satellite; then the velocity appears zero (relative to our position), but as measured on the satellite, it will be subject to a constant non-zero acceleration. Due to the centripetal force. [And indeed, the Earth is subject to the same centripetal force - but so tiny compared to Earth gravity as to be not detectable. ]

If the particle's velocity is zero can acceleration of the particle be nonzero?

A particles velocity can be zero by way of a repulsion force stopping it from any initial velocity greater than zero.....The particle will then obtain a velocity in opposite direction if repulsion force is maintained. The crossover of the two velocities is zero. Submitted...Ed kobek bsee northwestern U.

Is it possible that a body has zero speed and nonzero velocity?

No because velocity defined as speed in a given direction so if speed is 0 then velocity must also be 0

What object has velocity?

Any object which moves has velocity.Velocity is a vector quantity which includes direction so the object's velocity will change at every point in time if there is a nonzero acceleration.An object going around in circles uniformly will have a zero average velocity when measured as displacement over a time interval if the time interval is a multiple of the period of revolution. Speed is similar to velocity but is a scalar quantity independent of direction; you can think of it as distance covered traveling per unit of time; that is what your speedometer measures.

What happens to an object in motion when it experiences a nonzero net external force?

its velocity will change by accelerating in the direction of the force

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