Question

COMPLETENCY BASED COMPREHENSION TYPE QUESTIONS  When a body is thrown in air it follows a trajectory called as projectile path the equation of this projectile path is given y =x tan Q- gx^2/2u^2cos^2 Q where u is the velocity of projection and Q is angle of projection the vertical distance is called as range.on the basis of this paragraph answer the following questions:- (1) The angle of projection at which range and height are equal is  (1 Point)
45
60
30
none of these
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Answer 1

Answer:

40

Explanation:

nononononononononono