write at least four differences between speed and velocity
Answers
Answer:
Speed:-
i) Distance travelled per unit time is called speed.
ii) It is a scalar quantity.
iii) Only magnitude is required to represent speed.
iv) It is always positive.
v) Speed = Distance / Time.
Velocity:-
i) Distance travelled per unit time in a definite direction is called velocity.
ii) It is a vector quantity.
iii) Both magnitude and direction are required to represent velocity.
iv) It can be positive or negative.
v) Velocity = Displacement / Time.
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Explanation:
speed velocity
1)scalar quantity 1)vector quantity
2)speed can never 2) velocity can be +ve
be nefative -ve or zero
3) it is rate of change 3)it is rate of change of
of distance displacement
4) speed doesn't 4) velocity has direction
have direction
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