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In this problem I am getting my answer as 53°. Please check if I am correct or not.

In this problem I am getting my answer as 53°. Please check if I am correct or not.

Question Image
Grade:11

1 Answers

Abhishek Dogra
34 Points
2 years ago
I did it like this,
Time of flight, 2+6 = 2uy/g
So, uy = 4g = 40
 
And of 6-2 time of flight,
6-2 = 2vy/g
So, vy=2g = 20
 
Then for that 120m range,
6-2 = 2ux•vy/g          (as ux=uy)
ux = 30
 
Finally, tanθ = uy/ux
θ = 53°
 
Please tell me if my method is correct or not.

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