Physics 1st Paper CQ-Chittagong Board-2023
1. Mass of the sun and the earth are and respectively. Distance of the sun from the earth is .
2. A truck, loading with sand, is running with a velocity of per hour. Every second sand is going through the holes from the truck, 20 minutes later the truck was stopped at a distance of by pressing the brakes.
3. Depth and diameter of a well, full with water, are and respectively. A pump can empty the water of the well in 30 mins.
4. 
Radius vector of a rotating object is and force, .
In the beginning the object was rotating 200 times per minute, then the mentioned force was applied for .
5. 
In figure and are two wires of the same material and their original length is . Graphs of applied force with increased in length of the wires are shown above. .