Question
Question: A ball whose kinetic energy is E, is projected at an angle of 45<sup>0</sup> to the horizontal. The ...
A ball whose kinetic energy is E, is projected at an angle of 450 to the horizontal. The kinetic energy of the ball at the highest point of its flight will be –
A
E
B
E/2
C
E/2
D
Zero
Answer
E/2
Explanation
Solution
K.E. at max. height = K cos2q