Asked Dec 16, 2019

Two projectiles are thrown with the same initial speed, one at an
angle u with respect to the level ground and the other at angle
90° - θ. Both projectiles strike the ground at the same distance
from the projection point. Are both projectiles in the air for the
same length of time?


Expert Answer

Step 1

The horizontal range of a projectile,


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v sin 20 R =

Step 2

The time of flite,


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2v, sin e

Step 3

The horizontal range fo...


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R = " sin 20,


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