Question

to make a object in same speed there need not no external force -explain it. ​

Answer 1

Answer:

Hola

Here is your answer mate______☺️

Explanation:

There are no external force acting during collision of two ... The speed of each object must remain the same before and after the collision.

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Answer 2

Answer:

this is the first law of motion

Explanation:

first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. This is normally taken as the definition of inertia. ... And if an additional external force is applied, the velocity will change because of the force.