A cannon ball is fired from top of a building at an angle 30 degree above horizontal with speed 60 m/s.Another cannon ball is projected from the same spot with same speed at an angle 30 degree below...
A cannon ball is fired from top of a building at an angle 30 degree above horizontal with speed 60 m/s.Another cannon ball is projected from the same spot with same speed at an angle 30 degree below horizontal.The first ball hits the ground at a distance double of that of second one.Find the height of the tower.
- print Print
- list Cite
Expert Answers
calendarEducator since 2010
write12,544 answers
starTop subjects are Math, Science, and Business
A cannon ball fired from top of a building at an angle 30 degree above horizontal with speed 60 m/s travels twice the horizontal distance as a cannonball projected from the same spot with same speed at an angle 30 degree below horizontal.
Let the time taken by the first cannonball to strike the ground be t. If the height of the building is H,
H =...
(The entire section contains 174 words.)
Unlock This Answer Now
Start your 48-hour free trial to unlock this answer and thousands more. Enjoy eNotes ad-free and cancel anytime.
Related Questions
- A ball is thrown upward from the ground with an initial speed of 25ms^-1. At the same instant ,...
- 1 Educator Answer
- A ray of light strikes a plane mirror at an angle of 30 degrees. The mirror is rotated by 15...
- 1 Educator Answer
- A baseball is thrown at an angle of 25degrees relative to the ground at a speed of 23.0 m/s. If...
- 1 Educator Answer
- If a ray hits a plane mirror at an angle of incidence of 35 degrees, what is the angle between...
- 1 Educator Answer
- A wave is incident on the surface of a mirror at an angle of 30° with the normal. At what angle...
- 1 Educator Answer