Question
The angle of elevation of an airplane from a point on the ground is 60 After a flight of 30 secs the angle of elevation becomes 30 if the airplane is flying at a constant height of 3000 root 3m find the speed of the airplane
- Two circles of radius 5cm and 3cm intersect at two points and the distance between their Centre is 4 cm find the length of the common chord
after how many decimal places will the decimal expansion of 23/(22× 53)terminates
If an apple falls from the tree and fall on the earth surface which gets attract to each other
(a) earth attracts apple
(b)apple attracts earth
(a) earth attracts apple
(b)apple attracts earth
