Kinematics Question 693

Question: Galileo writes that for angles of projection of a projectile at angles (45+θ) and (45θ) , the horizontal ranges described by the projectile are in the ratio of (if θ45)

Options:

A) 2 : 1

B) 1 : 2

C) 1 : 1

D) 2 : 3

Show Answer

Answer:

Correct Answer: C

Solution:

[c] For angle (45θ) , R=u2sin(902θ)g=u2cos2θg

For angle (45+θ) , R=u2sin(90+2θ)g=u2cos2θg



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