Answer:
The final volume is 
Explanation:
<u>Data:</u>
Initial temperature:
Final temperature: 
Initial pressure: 
Final pressure: 
Initial volume:
Final volume: 
Assuming hydrogen gas as a perfect gas it satisfies the perfect gas equation:
(1)
With P the pressure, V the volume, T the temperature, R the perfect gas constant and n the number of moles. If no gas escapes the number of moles of the gas remain constant so the right side of equation (1) is a constant, that allows to equate:

Subscript 2 referring to final state and 1 to initial state.
solving for V2:


False.
Force is found by multiplying mass of an object by its acceleration.
F = mass * acceleration
Answer:
Explanation:
Given
Mass of first object 
Mass of second object 
Distance between them 
object is placed between them
So force exerted by
on 



Force exerted by 



So net force on
is



i.e. net force is towards 
(b)For net force to be zero on
, suppose
So force exerted by
and
must be equal








Fnet =ma
1560)(1.3102)
the answer is b