Explanation:

Scalar amounts are characterized by a magnitude with no applicable direction. In contrast, vector quantities must have actually both magnitude and also direction of action.

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The product of a vector quantity and also a scalar quantity will constantly be a vector quantity. Pressure results native the product of mass (scalar) and acceleration (vector). Weight is a kind of force, generated by the acceleration the gravity.

Voltage is a scalar quantity and can be calculated by the product of current (scalar) and resistance (scalar).

Work is a vector quantity and can be calculated by the product that a force (vector) and displacement (vector).

Velocity is a vector and also can it is in calculated through the quotient the displacement (vector) per unit time (scalar).

Explanation:

Scalar quantities are defined by a magnitude through no applicable direction. In contrast, vector amounts must have both magnitude and direction the action.

Speed is defined by a readjust in distance per unit time. Due to the fact that distance and time space both scalar quantities, the resulting rate is likewise scalar. In contrast, velocity is offered by a adjust in displacement per unit time. Due to the fact that displacement is a vector, the resulting velocity is additionally a vector. The size of a provided speed and given velocity may be equal, however the velocity hatchet will stand for the speed applied in a specific direction.

Acceleration is a vector quantity established by a change in velocity per unit time. Load is created by the pressure of heaviness on an object; all pressures are vectors.

Explanation:

Scalar amounts are identified by a magnitude through no applicable direction. In contrast, vector quantities must have actually both magnitude and also direction that action.

Some usual scalar amounts are distance, speed, mass, and also time. Some usual vector amounts are force, velocity, displacement, and acceleration.

Explanation:

A vector has actually both magnitude and direction, while a scalar just has a magnitude. When asking if miscellaneous is a vector or a scalar, asking if a direction would make sense -- in this case, pressure is the just vector. When a direction would help with speed and distance, those room both scalars; the vector version of speed is velocity, and the vector variation of distance is displacement.

Explanation:

A scalar quantity have the right to be identified by size alone, if a vector quantity should be identified by both magnitude and direction the action.

Of the offered answer options, mass if the only scalar quantity. Mass has magnitude, generally in kilograms, however cannot action in a direction. "7kg west," for example, is nonsensical.

In contrast, displacement, velocity, force, and also momentum must be applied in a offered direction. Displacement is the vector equivalent of the scalar amount distance, and also velocity is the vector indistinguishable of the scalar amount speed. Pressures must constantly act in a offered direction, and have no scalar equivalent. Similarly, momentum must constantly be directional.

A kid skates around the leaf of an ice rink and finishes specifically where she started. If the rink has actually a radius of

, what is the full displacement the the skater?Explanation:

There is a distinct and an essential difference between measuring displacement and measuring distance. Distance is a scalar quantity, which way that it counts on the route taken and is live independence of the direction traveled. Distance measures the complete length traveled, without any kind of reference to the beginning point.

In contrast, displacement is a vector quantity. This means that both the magnitude of the length and also its direction have to be factored into the calculation. Displacement is essentially the net street traveled in relation to the beginning point, live independence of the course traveled.

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In this question, the ska finishes in exactly the same location that she started. Without any other information, we can conclude the her displacement is zero. It does not issue what route she take it to go back to her beginning point; she could have bring away one step forward and also one action back, skated the whole rink seventeen times, or just jumped and landed. All of these possibilities would an outcome in zero displacement.