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Haiano
Questions (8)
A copper container of mass 100g contains 500g of water. A steel paddle of mass 85g stirs the water. A pulley system operates the
1 answer
825 views
Water is flowing through a horizontal pipe of varying cross section. At section 1,the diameter is 12cm at a pressure of 80000
0 answers
854 views
In a spray can,the flow of air makes paint flow up the tube. As the air flows, it is blown away in droplets.
A)as the air flows
0 answers
491 views
In a model yacht race on a river five identical yachts A,B,C,D,E are released at the same time from different points along the
1 answer
450 views
An aircraft which is maintaining a constant altitude of 1000 meters is travelling directly away from an observer. At a
1 answer
589 views
Prove that cosec 60 degrees cot 30 degrees tan 60 degrees=2secsquared 45degrees cos 30 degree
2 answers
2,401 views
Write equations for the ionisation in water of :
A) hydrobromic acid B) nitrous acid C) carbonic acid D) sulfuric acid
2 answers
1,254 views
A diagram shows two cylinders containing two pistonsA and B. The two cylinders are connected with a tube containing a fluid. The
1 answer
740 views
