Answer:
The pressure is 
Explanation:
From the question we are told that
The volume of the container is 
The mass of 
is 
The root-mean-square velocity is 
The root -mean square velocity is mathematically represented as
Now the ideal gas law is mathematically represented as
=> 
Where n is the number of moles which is mathematically represented as
Where M is the molar mass of
So
=> 
=> 
=> 
substituting values
=> 
=>
Answer:
a) I = 1.44 Kg.m²
b) I = 3.12 Kg.m²
As rarm increases, her moment of inertia will increase.
Explanation:
Given
The skater's mass: M = 64 Kg
Mass of both arms: m = (M/8) = 64 Kg / 2 = 8 Kg
Mass of one arm: = marm = m/2 = 8 Kg / 2 = 4 Kg
Mass of her rest body: Mcyl = M - 2m = 64 Kg - 8 Kg = 56 Kg
rarm = 0.20 m
Rcyl = 0.20 m
Larm = 0.60 m
a) We apply the equation (Using the Steiner Theorem)
I = Icyl + Iarms
I = (Mcyl*Rcyl²/2) + 2*marm*rarm²
I = (56 Kg*(0.20 m)²/2) +2(4 Kg)(0.20 m)²
I = 1.44 Kg.m²
b) Suppose that the center of the mass of her outstretched arm is in the middle, so that the mass of the arm will be at a distance of 50 cm, then
rarm = 0.50 m
We apply the same equation, then
I = Icyl + Iarms
I = (Mcyl*Rcyl²/2) + 2*marm*rarm²
I = (56 Kg*(0.20 m)²/2) +2(4 Kg)(0.50 m)²
I = 3.12 Kg.m²
As rarm increases, her moment of inertia will increase.
Chlorine needs to gain one electron and sodium needs to lose one electron
Answer:
bipartisanship Corp voted for it and it was a deal that firs an u
1) 260 km/h
Let's use the following convention:
positive x-direction = east
positive y-direction = north
Here we have to find the north component of the velocity's airplane, which means we have to find its y-component.
We can use the formula:
where
v = 750 km/h is the magnitude of the plane's velocity
is the angle between the direction of the plane and the positive x-axis
Substituting,
2) 
north of east
In order to find the direction of flight, we have to consider that the vector representing the displacement of the plane is the hypothenuse of a right triangle, of which the displacements along the east and north direction are the sides.
Therefore, we have
is the displacement towards east
is the displacement towards north
Therefore, the angle that gives the direction is given by
And substituting,
and this angle is measured north of east.
