projectile motion

what significance does the horizontal spacing in this question have?(i mean regular and irregular spacing)

also please give the answer to part c with explanantion.

1 Answers

1
Anirudh Kumar ·

am not able to write phrase the full explanation .
for part (c)
but:-
1. time time taken to pass succesive window decreases as acceleration acts downwards.

2. horizontal velocity is same .

3. from the picture it can be concluded that hroizontal distance between succesive window is lesser .

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