List two difference in tabular form between speed and velocity. When is a body said to have : (a) uniform velocity and (b) variable velocity. How is the average velocity of a body calculated when its velocity changes at a non uniform rate ?
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25
hey mate
here is ur answer
(i) speed is equal to the ratio of distance with time
(ii) speed is a scalar quantity .
where as
(i) velocity is the ratio of displacement with time .
(ii) velocity is vector quantity.
Now if a body is moving in such a way that at any certain time the velocity remains unchanged then it is known as uniform velocity.
where as, if the velocity of the moving particle change at different time then it is known as variable velocity.
average velocity is equal to the ratio of the sum of velocities to the time .
HOPE IT WILL HELP U
CHEERS
here is ur answer
(i) speed is equal to the ratio of distance with time
(ii) speed is a scalar quantity .
where as
(i) velocity is the ratio of displacement with time .
(ii) velocity is vector quantity.
Now if a body is moving in such a way that at any certain time the velocity remains unchanged then it is known as uniform velocity.
where as, if the velocity of the moving particle change at different time then it is known as variable velocity.
average velocity is equal to the ratio of the sum of velocities to the time .
HOPE IT WILL HELP U
CHEERS
Answered by
4
Answer:
(a) uniform velocity
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when the body covers equal diaplacements in equal intervals of time , it is said to have uniform velocity
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(b) variable velocity
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when the body covers unequal diaplacements in equal intervals of time , it is said to have variable velocity
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Explanation:
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