Question

Q1. Derive an expression for the force which depends upon mass per unit length (m) ;density of water (rho) and cross sectional area (A) velocity
Q2. Check the correctness of the formula.
E= h/T
where E is energy h is planks constant and T IS time period

Answer 1

ConstantSymbolDimension in SI QuantitiesGravitational constantGL3 M−1 T−2Reduced Planck constantħ = h2π where h is the Planck constantL2 M T−1Boltzmann constantkBL2 M T−2 Θ−1Coulomb constantke = 14πε0where ε0 is the permittivity of free spaceL3 M T−2 Q−2

Answer 2

Answer:

Constant Symbol Dimension in SI Quantities

Gravitational constant G L3 M−1 T−2

Reduced Planck constant ħ = h2π where h is the Planck constant L2 M T−1

Boltzmann constant kB L2 M T−2 Θ−1

Coulomb constant ke = 14πε0 where ε0 is the permittivity of free space L3 M T−2 Q−2