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 2 years ago
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Question:An object may have
i0 Varying speed without having varying velocity
ii) Varying velocity without having varying speed.
iii) NonZero acceleration without having varying velocity.
iv) Displacement of larger magnitude than distance travelled by it
What I request is not only the correct answer to this specific problem but explanation on each scenario inter related to uniform/constant as well as varying speed, velocity, distance, displacement , acceleration with time. Almost all the past question papers carry at least two such confusing questions carrying 6 marks.
 2 years ago
Need help" Question:An object may have i0 Varying speed without having varying velocity ii) Varying velocity without having varying speed. iii) NonZero acceleration without having varying velocity. iv) Displacement of larger magnitude than distance travelled by it What I request is not only the correct answer to this specific problem but explanation on each scenario inter related to uniform/constant as well as varying speed, velocity, distance, displacement , acceleration with time. Almost all the past question papers carry at least two such confusing questions carrying 6 marks.

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Algebraic!
 2 years ago
Best ResponseYou've already chosen the best response.1speed is the length (magnitude) of velocity if speed changes velocity changes. velocity has a direction, whereas speed is just a length, so velocity can change direction without changing length. This counts as a change in velocity. acceleration is the change in the length and/or direction of velocity, so if there's acceleration, velocity is varying. displacement is distance from a fixed point (usually the origin) so displacement technically could have any value whatsoever, regardless of distance traveled: imagine a particle that starts its trip 1 mile from the origin. But for the purposes of this problem, I suppose they're talking about a particle that starts its trip at the origin, in which case displacement can't be greater than distance traveled...

haridas_mandal
 2 years ago
Best ResponseYou've already chosen the best response.0Let me try to answer the questions : i) The object can not have varying speed without varying velocity (If speed changes vel changes). i.e wrong. ii) True iii) Wrong iv) Wrong Am I correct?
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