Answer:
Pa = kg/m.s²
Explanation:
Pascal (Pa) is the S.I unit of pressure. The formula of pressure is given as follows:
Pressure = Force/Area
The S.I Unit for force is Newton (N) and for Area is (m²). Therefore, the S.I Unit of Pressure will be:
Pressure = N/m²
Therefore, it will be equal to Pascal (Pa)
Pa = N/m²
but, the formula for force is given by Newton's 2nd Law:
Force = (mass)(acceleration)
using S.I Units:
N = (kg)(m/s²)
Therefore,
Pa = [(kg.m/s²)/m²]
<u>Pa = kg/m.s²</u>
The evaporation point of water at atmospheric condition is 100°C. Evaporation is a process by which the liquid phase water is transformed into gaseous phase. This means that at this point, the water starts to form bubbles.
The formed bubbles are water vapor (gaseous phase). Because it has lesser density than liquid water, it rises to the topmost part of the layer.
Answer:
When two players are running full speed at each other on a football field they build up their momentum
Answer:
The current is changing at the rate of 0.20 A/s
Explanation:
Given;
inductance of the inductor, L = 5.0-H
current in the inductor, I = 3.0 A
Energy stored in the inductor at the given instant, E = 3.0 J/s
The energy stored in inductor is given as;
E = ¹/₂LI²
E = ¹/₂(5)(3)²
E = 22.5 J/s
This energy is increased by 3.0 J/s
E = 22.5 J/s + 3.0 J/s = 25.5 J/s
Determine the new current at this given energy;
25.5 = ¹/₂LI²
25.5 = ¹/₂(5)(I²)
25.5 = 2.5I²
I² = 25.5 / 2.5
I² = 10.2
I = √10.2
I = 3.194 A/s
The rate at which the current is changing is the difference between the final current and the initial current in the inductor.
= 3.194 A/s - 3.0 A/s
= 0.194 A/s
≅0.20 A/s
Therefore, the current is changing at the rate of 0.20 A/s.