A ball is thrown with initial energy 100 J at an angle 
to the horizontal. If its energy at the top becomes 30 J, then angle of projection
A
B
C
.
D
Text Solution
Verified by ExpertsThe correct answer is:
D
At 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
In the given figure, the velocity of boat with respect to water is 5 and river flow velocity is 3 …
An object is thrown along a direction inclined at an angle of with the horizontal direction. The
h…
The x and y coordinates of a particle at any time t are given by and , where x and y are in metre…
In the given figure, the velocity of boat with respect to water is and river follow velocity is .…
A train moves in North direction with a speed of and a monkey running on the roof of
the train, ag…
If R is the range of a projectile on a horizontal plane and h its maximum height, the maximum horiz…