A body of mass 6 kg accelerates from 6 m/s to 18 m/s in 3 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).
Two circles of equal radii intersect each other such that one circle will pass through the centre of the other circle. The distance between the centre of two circles is equal to 6 cm. Find the length (in cm) of common chord.
In the following figure, rectangle represents Pharmacists, circle represents Bloggers, triangle represents Trekkers and square represents Gymnasts. Which set of letters represents Gymnasts who are not Bloggers?