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A scalar in physical science is a unit measurement in a single direction. For example, you can have a mass scalar, which is 1kg to the right, or you can have an energy scalar, which is 1J forwards.
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The same units can be used for any type of energy - and in modern science, the same units ARE used. For example, the SI unit for energy is the joule.
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It is a unit of energy. It can either describe the energy stored in a body's motion, its "potential energy", and / or in the energy lost to friction in following a path. Simply defined as "forces times distance".
Yes, a vector can be represented in terms of a unit vector which is in the same direction as the vector. it will be the unit vector in the direction of the vector times the magnitude of the vector.
a unit vector is a vector which has exact same direction and has its length or magnitude equal to one
A scalar in physical science is a unit measurement in a single direction. For example, you can have a mass scalar, which is 1kg to the right, or you can have an energy scalar, which is 1J forwards.
VELOCITY IS THE SPEED AND DIRECTION IN WHICH SOMETHING MOVES. Velocity is the distance an object travels per unit of time, in a specific direction; velocity = distance / time, in a specific direction. The distance an object travels per unit of time, without regard to its direction of travel, is called Speed. If a vehicle travels around a curve in the road at a steady 50 kph, its Speed is staying the same but its Velocity is changing due to the change in its direction of travel. 50 kph northbound and 50 kph eastbound are the same Speeds but different Velocities.
Divide the vector by it's length (magnitude).
Velocity is speed, plus an indication of direction. To indicate a velocity, you can indicate a speed (this will logically use units of speed), and a direction.
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Yes it does, because acceleration is a unit of speed and direction.
There is no metric unit for direction: the old North, East, South and West serve.
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