plese solve this of physics
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a) The distance travelled is 10 km.
b) The displacement travelled is 0 km.
O) -20 m/ sec is velocity because here minus indicates the direction.The vector only indicates both magnitude and direction.
b) The displacement travelled is 0 km.
O) -20 m/ sec is velocity because here minus indicates the direction.The vector only indicates both magnitude and direction.
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(n) AS GIVEN
DISTANCE BETWEEN SCHOOL AND HOUSE =5KM
NOW AS HE TRAVELED TWO TIMES
(GOING AND COMING)
DISTANCE TRAVELLED = 5 × 2
= 10 KM
NOW DISPLACEMENT = +5+ (-5). {CAUSE HE RETRACESS HIS PATH }
= 0
(o) -20 m/s = velocity as speed can never be negative
DISTANCE BETWEEN SCHOOL AND HOUSE =5KM
NOW AS HE TRAVELED TWO TIMES
(GOING AND COMING)
DISTANCE TRAVELLED = 5 × 2
= 10 KM
NOW DISPLACEMENT = +5+ (-5). {CAUSE HE RETRACESS HIS PATH }
= 0
(o) -20 m/s = velocity as speed can never be negative
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