Answer:
The pressure is the measure of force acting on a unit area. Density is the measure of how closely any given entity is packed, or it is the ratio of the mass of the entity to its volume. The relation between pressure and density is direct. Change in pressure will be reflected in a change in density
Answer:
91.5 miles
Explanation:
61 miles per hour so 61(x amount of hours)
so 61 x 1.5 hours is 91.5 miles
Potential energy due to gravity = Ep = mgh [symbols have their usual meaning
Evidently, HALVING the mass will make Ep , HALF its previous value. So, It will be halved.