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# When To state the velocity of an object you need to know the objects?

Updated: 9/27/2023

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Q: When To state the velocity of an object you need to know the objects?
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### What is the difference of an objects speed and an objects volocity?

when you know both speed and direction of an objects motion you know the velocity of an object.

### What do you need know to find an objects velocity?

The distance it travels in a caertain amount of time as well as the direction

### Anya knows the velocity of an object. What else does she need to know in order to find the objects momentum?

The mass of the object.

### How do you know something is moving faster than some other object?

Calculate the average velocity for the objects.

### If an object falls of a shelf how do you know a force as acted on it?

You know a force has acted on the object because the objects velocity has changed as the result of a force, f= mdv/dt.

### What object has the least inertia?

The magnitude of inertia of an object is we consider the velocity and mass.The object that has least inertia is object that has small mass and velocity.This because the small mass and velocity the easiest it to stop or stop it.As we know that inertia is the tendency of object to remain its state in rest or in uniform velocity in straight line.Small massan velocity of object the small tendency of object to remain it state in rest or in uniform velocity in straight line.

### When you know the speed and the direction of an object's motion you know what?

The magnitude and direction of the object's velocity vector.

### When do you know an objects velocity?

When you have calculated or measured it.

### How do I calculate the velocity of an object which hits a stationary object if I know the mass of both objects and the distance the stationary object was moved what else must I know to calculate?

You need to know the coefficient of static friction and the coefficient of moving friction for both objects. The solution involves solving a differential equation so the math is non-trivial.

### When you know both the speed and the direction of an object's motion, you know the?

velocity of the object

### When you know both the speed and direction of an object in motion you know the?

object's velocity

### You do not know an objects velocity until you know what?

To know an object's velocity, you need to know its speed and direction. You can measure speed by calculating how long an object takes to arrive at a new position. So by knowing an object's starting position, ending position, and the time it took to get there, you can calculate its average velocity. In a more advanced calculation, you could choose starting and ending positions that are extremely close to one another and calculate "instantaneous velocity." Velocity is known as a "vector value". A vector not only has a length, but a direction. In this case, "length" is the same as "speed", and direction is its change in position.