Answer:
The average current density at the position of the area.
Explanation:
Current density is the vector whose magnitude is electric current in the cross sectional area. Current density is vector quantity which is measured in amperes. The average current density is dependent on the electric current flow. It has perpendicular direction of flow and scalar magnitude.
Answer:

Explanation:
<u>Relation between stress and Force:</u>

<u>Relation between stress and strain:</u>
Young's modulus is defined by the ratio of longitudinal stress σ , to the longitudinal strain ε:


So:

Answer:
the answers is 1.
Explanation:
this is because heat always travel's from the warmest object to the coldest. His hands thermal energy is transferred to the ice making the ice round to the same temperature of his hand. This can also be an example of equalibrum.
Speed =dist./time
=73.4/5
=14.68 km/hr