For flow in a pipe, the Reynolds number is defined as Re=(VpD)/mu))
Where V is velocity, is density, is viscosity, and D is diameter. Expressed this way, the Reynolds number can be interpreted as

the ratio of viscous to inertial forces.
the ratio of inertial to viscous forces.
the ratio of momentum flux to viscous forces.
the ratio of kinetic energy to viscous forces.

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.

Hydrogen and helium are both members of?

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.