1.

Consider the following five graphs (note the axes carefully) Which of the following represents motion at constant speed ?(1) D only (2) D and E (3) A, B and C (4) A and D

Answer»

Correct option: (4) A and D

Explanation: 

Constant speed means equal distance in equal interval of time.

∴ In graph (A) and graph (D) slope is constant



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