To determine which of the options is a vector, let's clarify what a vector is. A vector is a quantity that has both magnitude and direction.

1. **Kinetic energy**: This is a scalar quantity, which means it only has magnitude and no direction.
2. **Pressure**: This is also a scalar quantity; it describes force per unit area and does not have direction.
3. **Rate of change of momentum**: Momentum is a vector quantity (mass and velocity), and the rate of change of momentum is known as force, which is also a vector.
4. **Density**: This is a scalar quantity defined as mass per unit volume, with no associated direction.

### Final Answer
The vector among the options is c) Rate of change of momentum.

Question

To determine which of the options is a vector, let's clarify what a vector is. A vector is a quantity that has both magnitude and direction.

1. **Kinetic energy**: This is a scalar quantity, which means it only has magnitude and no direction.
2. **Pressure**: This is also a scalar quantity; it describes force per unit area and does not have direction.
3. **Rate of change of momentum**: Momentum is a vector quantity (mass and velocity), and the rate of change of momentum is known as force, which is also a vector.
4. **Density**: This is a scalar quantity defined as mass per unit volume, with no associated direction.

### Final Answer
The vector among the options is c) Rate of change of momentum.

Knowee AI · Accepted Answer

To determine which of the options is a vector, let's clarify what a vector is. A vector is a quantity that has both magnitude and direction.

1. **Kinetic energy**: This is a scalar quantity, which means it only has magnitude and no direction.
2. **Pressure**: This is also a scalar quantity; it describes force per unit area and does not have direction.
3. **Rate of change of momentum**: Momentum is a vector quantity (mass and velocity), and the rate of change of momentum is known as force, which is also a vector.
4. **Density**: This is a scalar quantity defined as mass per unit volume, with no associated direction.

### Final Answer
The vector among the options is c) Rate of change of momentum.

Which one of the following is the vector? a) Kinetic energy b) Pressure c) Rate of change of momentum d) Density

Question

Which one of the following is the vector?

Solution

Final Answer

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