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A boat is travelling at 8.9km/h relative to the water in the river.The boat aims straight for the opposite bank of the river
1. 7 answers
2. 1,481 views
When 46.0 ml of 0.18 M HNO3 and 58.0 ml of 0.23 M LiOH are mixed, the concentration of [OH-] after mixing is ?
1. 1 answer
2. 432 views
two air carts of mass m1=0.87kg and m2=0.48kg are placed on a frictionless track.cart 1 is at rest initally, and a spring bumper
1. 1 answer
2. 546 views
A ball is thrown straight upward and rises to a maximum height of 23 m above its launch point. At what height above its launch
1. 4 answers
2. 4,117 views

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