consider a particle moves from point A to point B for that it takes 180 min. and it comes back to point C for which it takes 90 min. and the point C to Point B the distance is 45km and from point A to point B the distance is 120 km then find the speed of particle along A B?
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Answer:
1.5
Explanation:
speed = distance travelled / time taken
= 120 km/ 180 min
=1.5
= speed =1.5
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