For the following questions answer them individually
A ball is thrown upward in vacuum at 49 m/sec. The time taken by the ball to reach the highest point is
If the distance between two masses be doubled, the gravitational force of attraction between them will be
The ratio the length and the breadth of a rectangle is 4 : 3. The area of the rectangle is 192 $$cm^{2}$$. What will be its perimeter ?
A force provides an acceleration of 0.5 $$m/sec^{2}$$ to a body of mass 2 kg. What acceleration will it produce when acting on a body of mass 10 kg ?
In the most popular abbreviation in the field of banking sectors ‘CBS’. The letter ‘C’ stands for