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The flow rate of mass is a scalar quantity since it only has magnitude and no direction associated with it. It represents the amount of mass passing through a given area per unit time.

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Q: Flow rate of mass is vector or scalar?
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Is potential gradient vector or scalar?

The potential gradient is a vector quantity. It represents the rate of change of the scalar electric potential with respect to position in space.


What is the mass of water the first six minutes?

The mass of water used in the first six minutes depends on the rate of flow of water. If we know the flow rate, we can calculate the mass using the formula: Mass = flow rate x time.


What is the mass flow rate of gasoline from a pump?

The mass flow rate of gasoline from a pump depends on the pump's flow rate and the density of gasoline. It is typically measured in kilograms per second or pounds per hour. The mass flow rate can be calculated by multiplying the volumetric flow rate (in liters per minute or gallons per hour) by the density of gasoline (in kg/L or lb/gal).


Maximum value of mass flow rate in convergent and divergent duct?

The maximum mass flow rate in a convergent duct occurs at the throat where the area is smallest. In a divergent duct, the maximum mass flow rate occurs at the entrance where the area is largest. This is based on the principle of mass conservation in fluid dynamics.


Why do you require velocity when you have speed?

And object's speed refers to a magnitude of movement in relation to something (often the ground or a stationary relative object). A Vector, usually represented by an arrow, shows a scalar (some magnitude or speed) and a direction. The scalar magnitude could be an object's speed. However, without a directional component, it's not a vector, simply a speed of scalar. Velocity IS a vector because velocity by definition includes a scalar (force/speed) AND a direction in which it is moving. Therefore Velocity is a Vector, but Speed is only part of what makes a Vector. Example: Bob is running 10 mph North along a sidewalk. His velocity is 10 miles per hour North. A Vector drawing would show an arrow 10 units long pointing North along the sidewalk. It's speed is a flat 10 mph at that given moment, it is the scalar portion of the vector without the directional component. As an addition, Acceleration is the rate of change in Velocity. So we have a Speed- 10 mph. Then we have Velocity- 10 mph North. Acceleration is what shows his velocity changing... How quickly does he speed up at the beginning of his run... How quickly does he slow down at the end... At what rate does his direction/speed change as he turns a corner...etc.

Related questions

Is potential gradient vector or scalar?

The potential gradient is a vector quantity. It represents the rate of change of the scalar electric potential with respect to position in space.


Is power momentum a vector or scalar?

Power momentum is a scalar quantity, as it is a measure of the rate at which work is done or energy is transferred. It does not have a direction associated with it, unlike vector quantities such as velocity or force.


Is momentum a scalar quality?

No, momentum is a vector quantity because it has both magnitude and direction. It is defined as the product of an object's mass and its velocity, with the direction determined by the direction of the velocity.


What is an angular velocity scalar or vector?

Angular velocity is a vector quantity that describes the rate of rotation of an object about an axis. It has both magnitude (how fast the object is rotating) and direction (the axis of rotation). Scalar angular velocity only considers the magnitude of the rotation rate without specifying the direction.


Is speed a scalar quantity or vector quantity?

Speed is a scalar quantity because it only has magnitude and no direction. It gives the rate at which an object is moving without specifying the direction.


Is temperature gradient a vector or scalar?

Temperature gradient is a vector quantity. It represents the rate of change in temperature with respect to position and has both magnitude and direction.


Is angular frequency a scalar or a vector quantity?

Angular frequency is a scalar quantity that represents the rate of change of an oscillating object with respect to time. It is measured in radians per second and is a scalar because it only has a magnitude and no direction associated with it.


Why is electric current a scalar quantity?

For a physical quantity to be termed a vector quantity, having magnitude and direction is not enough. The quantity should obey the laws of vector addition too. Like the triangle law or the parallelogram law. As we know, if two currents meet at a junction, the total current of the resultant current will be the algebraic sum of the two current and not the vector sum.Sometimes, treating a current like a vector makes sense, like when the current though a conductor induces a magnetic field.


Why gradient of scalar field is vector?

The gradient of a scalar field is a vector because it represents the direction of steepest increase of the scalar field at a given point. It points in the direction of the greatest rate of change of the scalar field and its magnitude represents the rate of change. This vector provides valuable information about how the scalar field varies in space.


What is vector acceleration?

Vector acceleration is a physical quantity that describes how an object's velocity changes over time in both magnitude and direction. It includes both the rate of change of speed (magnitude) and the rate of change of direction, making it a vector quantity. The direction of the acceleration vector indicates the direction in which the velocity is changing.


Is power is a vector quantity?

No, power is not a vector quantity. It is a scalar quantity because it only has magnitude, not direction. Power is defined as the rate at which work is done or energy is transferred.


Is instantaneous velocity a vector or a scalar?

Instantaneous velocity is a vector quantity because it has both magnitude and direction. It describes the rate at which an object changes its position in a specific direction at a given moment in time.