JEE Advanced 2022 Physics question
A projectile is fired from horizontal ground with speed and projection angle . When the acceleration due to gravity is , the range of the projectile is . If at the highest point in its trajectory, the projectile enters a different region where the effective acceleration due to gravity is , then the new range is . The value of is .
Answer: 0.95
Solution
The first half of the motion is unchanged: horizontal distance to the highest point, height . The descent from height starts with zero vertical velocity; its time is $ =
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