Look at the graphs (a) to (d) in the following figure carefully and st

1.	Look at the graphs (a) to (d) in the following figure carefully and state, with reasons, which of these cannot possibly represent one-dimensional motion of the particle.
Answer» None of the four graphs can represent one-dimensional motion of the particle. In fact, all the four graphs are impossible. 1. A particle cannot have two different positions at the same time. 2. A particle cannot have velocity in opposite directions at the same time. 3. Speed is always positive (non-negative). 4. Total path length of a particle can never decrease with time. Note: The arrows on the graphs are meaningless.

Look at the graphs (a) to (d) in the following figure carefully and state, with reasons, which of these cannot possibly represent one-dimensional motion of the particle.

Answer»

None of the four graphs can represent one-dimensional motion of the particle. In fact, all the four graphs are impossible.

1. A particle cannot have two different positions at the same time.

2. A particle cannot have velocity in opposite directions at the same time.

3. Speed is always positive (non-negative).

4. Total path length of a particle can never decrease with time.

Note: The arrows on the graphs are meaningless.

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Look at the graphs (a) to (d) in the following figure carefully and state, with reasons, which of these cannot possibly represent one-dimensional motion of the particle.

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