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1
Step by step explanation: 1
Brainlist?????
Answer:
44.64335 L
Explanation:
R = Gas constant = 8.314 J/mol K = 0.08205 L atm/mol K
P = Pressure
V = Volume
T = Temperature = 438 K
1 denotes initial
2 denotes final
From ideal gas law we have

So,

The volume of Helium is 44.64335 L
Explanation:
Let the speeds of father and son are
. The kinetic energies of father and son are
. The mass of father and son are 
(a) According to given conditions, 
And 
Kinetic energy of father is given by :
.............(1)
Kinetic energy of son is given by :
...........(2)
From equation (1), (2) we get :
..............(3)
If the speed of father is speed up by 1.5 m/s, so the ratio of kinetic energies is given by :


Using equation (3) in above equation, we get :

(b) Put the value of
in equation (3) as :

Hence, this is the required solution.
Answer:
Explanation:
Given
charge of first body 
charge of second body 
Particle 1 is at origin and particle 2 is at 
third Particle which charge +q must be placed left of
because it will repel the q charge while
will attract it
suppose it is placed at a distance of x m







