Tech A says that proper footwear may include both leather and steel-toed shoes. Tech B says that when working in the shop, you only need to wear safety glasses if you are doing something dangerous. Who is correct?

Tech A is correct.

Explanation:

If a person is doing something dangerous in a shop, he should wear safety glasses to protect his eyes from danger and also wear leather shoes to protect himself from any electric shock. Leather boots will disconnect a person with direct earth and therefore he can save himself if he gets a electric shock.

Explanation:

From the question we are told that:

Velocity of water

Height=?

Generally, the equation for Water Velocity is mathematically given by

Therefore Height h is given as