A thermometer is placed in water in order to measure the water’s temperature. What would cause the liquid in the thermometer to
1 answer:
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Answer:
The velocity of mass 2m is
Explanation:
From the question w are told that
The mass of the billiard ball A is =m
The initial speed of the billiard ball A = =1 m/s
The mass of the billiard ball B is = 2 m
The initial speed of the billiard ball B = 0
Let the final speed of the billiard ball A =
Let The finial speed of the billiard ball B =
According to the law of conservation of Energy
Substituting values
Multiplying through by
According to the law of conservation of Momentum
Substituting values
Multiplying through by
making subject of the equation 2
Substituting this into equation 1
Multiplying through by