Question

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Answer 1

Ans 1 Distance is a scalar quantity that refers to "how much ground an object has covered" during its motion. Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position.

Ans 3 Millimeter mm

Centimeter cm

Metre m

Kilometer km

Ans 4 Speed is the rate of change of position of an object with time.FORMULA speed = distance ÷ time.

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