Which of the following statements are TRUE? Choose all that apply. [NINT: The st

Question

Which of the following statements are TRUE? Choose all that apply. [NINT: The statements that are false should contradict themselves or a definition An object can simultaneously have a constant position and have positive velocity. An object can simultaneously have positive speed and have negative velocity An object can simultaneously have negative acceleration and have constant velocity. distance and have constant positive acceleration. An object can simultaneously have negative displacement and have negative speed. An object can simultaneously be moving and have zero velocity.

Explanation / Answer

(a) False : As velocity is the rate of change of position vector hence with positive velocity, the position will change.

(b) True: Speed is scalar quantity hence sign does not matter.

(c) False: With acceleration, velocity will definitely change.

(d) True: That is possible when velocity is in positive direction and acceleration in negative direction

(e) True: Speed is scalar hence sign doesn't matter

(f) False: Statement contradicting itself

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