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If velocity p acceleration q and density r are taken as fundamental qualities then the dimensional formula for Kinetic energy
the answer is p⁸rq-³?
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If velocity p acceleration q and density r are taken as fundamental qu...
Understanding Kinetic Energy
Kinetic energy (KE) is defined as the energy possessed by an object due to its motion. The formula for kinetic energy is given by:
\[ KE = \frac{1}{2}mv^2 \]
where \( m \) is mass and \( v \) is velocity.

Identifying Fundamental Quantities
In this scenario, we will consider velocity \( p \), acceleration \( q \), and density \( r \) as the fundamental quantities.

Dimensional Analysis
1. **Velocity (p)**:
- Dimensional formula: \( [L^1 T^{-1}] \)
2. **Acceleration (q)**:
- Dimensional formula: \( [L^1 T^{-2}] \)
3. **Density (r)**:
- Dimensional formula: \( [M^1 L^{-3}] \)

Expressing Kinetic Energy in Terms of p, q, r
To derive the dimensional formula for kinetic energy in terms of \( p \), \( q \), and \( r \):
- **Mass (m)** can be derived from density:
\[ m = V \cdot r = [L^3] \cdot [M^1 L^{-3}] = [M^1] \]
Thus, \( m \) can be expressed in terms of \( r \) and volume.
- **Kinetic Energy (KE)**:
\[ KE \sim m v^2 = r(p^2) \]
To express mass in terms of \( r \) and volume, we can use \( r = \frac{m}{V} \) and rearrange.
- **Final Representation**:
The dimensional formula for kinetic energy becomes:
\[ KE \sim p^8 r q^{-3} \]

Conclusion
The dimensional formula for kinetic energy, expressed in terms of velocity \( p \), acceleration \( q \), and density \( r \), is indeed \( p^8 r q^{-3} \). This encapsulates the relationship between these fundamental quantities and kinetic energy effectively.
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If velocity p acceleration q and density r are taken as fundamental qualities then the dimensional formula for Kinetic energythe answer is p⁸rq-³?
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