A body of mass 3 kg accelerates from 10 m/s to 20 m/s in 5 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).
If the breakeven quantity for a factory whose variable cost of manufacturing a cell is Rs. 15 and selling price is Rs. 24 is 2,400 units, find the fixed cost of the factory?
Calculate a country's GDP if for the year, consumer spending is $900 million, government spending is $250 million, investment by businesses is $180 million, exports are $85 million and imports are $100 million.