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What are the 50 word of vector and their magnitude and direction

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12y ago

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The length of a vector arrow represents its?

The direction of the arrow represents the direction of the force; the length of the arrow is proportional to the magnitude of the force.


What is a vector of speed?

A vector of speed specifies the magnitude and direction of an object's velocity. It includes both the numerical value of speed (e.g. 50 km/h) and the direction the object is moving in (e.g. north).


What is magnitude in physics?

In physics, quantities can be subdivided into two groups: scalar quantities and vector quantities. A scalar quantity is a quantity with magnitude and a unit. A vector quantity is a quantity with magnitude, a unit, and a direction. Obviously, magnitude is required for both, but what exactly is magnitude?Magnitude is simply the "size" of a quantity. Magnitudes are expressed in numerical form; e.g., 450, 0.45, 2/3, etc.A common example of a scalar quantity is speed. If a man is driving at a speed of 50 km/h, we say the magnitude of the scalar quantity is 50. Notice that the sentence "I am driving 50" is incomplete. Therefore, the magnitude is equipped with a unit, in this case km/h (kilometres per hour).A vector example is velocity, which is simply speed with a direction. If a plane is traveling at 240 m/s [East], then the magnitude of its velocity is 240 m/s, just like what the magnitude of its speed would be. But, since velocity is a vector, you must include the direction as well.


Why is speed classified as a scalar quantity and velocity classifed as a vector quantity?

Vectors have speed AND direction. Speed is classified as a scalar quantity because it only has magnitude (numerical value and unit of measurement) such as 50 mi/h. Velocity is classified as a vector quantity because it has magnitude and direction, 50 mi/h north. By including direction, you are giving more information than a scalar quantity (requiring one unit).


What is the velocity of a car going 50 mph due east?

The velocity is 50 mph east. (Or 50 mph at 0 degrees.)


Diffrentiate between vector and scalar quantities?

Scalar quantities are defined as quantities that have only a mganitude. Vector quantities have magnitude and direction. Some example of this include Scalar Vector Mass Weight length Displacement Speed Velocity Energy Acceleration


What is an example for vector and scalar quantity?

Scalar quantities are an amount, for example 5 pounds, 15 feet, etcetera. Vector quantities are an amount coupled with a direction, for example 20 miles northwest, 7 meters south, etcetera.


What do you need in order to know an objects velocity?

To know an object's velocity, you need both its speed (magnitude of the velocity) and direction. Velocity is a vector quantity that includes both the speed and direction of motion. It is typically represented as a magnitude and a direction, such as 50 m/s east.


What does 50 j stand for in measurement?

50 Joules, a measure of energy, or a vector of magnitude 50 (usually) upward or towards the North.


The difference between speed and velocity?

Speed is a scalar quantity and thus a general term; if a car is traveling at 60 mph that is its speed; Velocity is a vector quantity that has speed and direction associated with it. If a car is traveling at 60 mph due east that is its velocity. The two terms are often used interchangeably.


How do you calculate a vector sum?

To calculate a vector sum, add the corresponding components of the vectors together. This means adding the x-components to get the resultant x-component, and adding the y-components to get the resultant y-component. The magnitude of the resultant vector can be found using the Pythagorean theorem, and the direction can be determined using trigonometry.


What are the major concepts of a scalar and vector quantity in physics?

That vectors are just scalars WITH a direction. (for example 50 miles is a scalar distance, but 50 miles north is a vector)