CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

A projectile is fired at an angle of 45 with the horizontal. Elevation angle of the projectile at its highest point as seen from the point of projection is

A
tan1(32)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
45
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
60
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
tan112
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D tan112

Let α be the elevation angle
tan α=HR/2.......(i)
By using the relation, 4H=Rtanθ
HR=tan θ4......... (ii)
Using (i) and (ii), we get
tanα=tanθ2
tanα=tan452
α=tan1(12)

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Solving n Dimensional Problems
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon