Respuesta :
The effect on Kā/Kā on changing the quantities are :
a)If the mass of 1 is double the mass of 2, and the speeds are the same, then ratio is 2 times
b)If the speed of 1 is double the speed of 2, and the masses are the same, then ratio becomes 4 times.
c)If The mass of 2 is double the mass of 1, and the speeds are the same, then ratio becomes half.
d)If The speed of 2 is double the speed of 1, and the masses are Ā same, then ratio becomes 1/4 times.
e)If The speed of 1 is double the speed of 2, and the mass of 2 is double the mass of 1,then ratio becomes half.
We know that kinetic energy of any body is given by (1/2)mvĀ² where m is the mass of the body and v is the velocity of the body.
Hence, the ratio of Kā/Kā is changing Ā on Ā changing one or both of these parameters
a) when mass of first body is doubled then Kā becomes 2 times of initial kinetic energy, then ratio will become twice of the initial value.
b)when speed of first object is doubled then kinetic energy of first object will becomes 4 times of initial energy ,therefore the ratio becomes 4 times of initial ratio.
c) If The mass of 2 is double the mass of 1, and the speeds are the same then in that kinetic energy of 2nd object will become twice of initial kinetic energy, therefore ratio Ā will become half.
d) Ā If The speed of 2 is double the speed of 1, and the masses are Ā same then ratio becomes 1/4 times of initial ratio.
e) If The speed of 1 is double the speed of 2, and the mass of 2 is double the mass of 1, then in that case ratio becomes half of initial ratio,
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(Complete question) is:
Kinetic energy depends on both the mass of an object and on its speed. Ā Ki the kinetic energy. Using the ratio Kā/Kā to see how changing one or both of these parameters changes the kinetic energy. Match each case with the correct value of ratio Kā/Kā. 1) The mass of 1 is double the mass of 2, and the speeds are the same.2) The speed of 1 is double the speed of 2, and the masses are the same. Ā 3) The mass of 2 is double the mass of 1, and the speeds are the same. 4) The speed of 2 is double the speed of 1, and the masses are the same. 5) The speed of 1 is double the speed of 2, and the mass of 2 is double the mass of 1.
