1) A man throws a ball of mass 0.5 kg vertically upwards with velocity of 25 m/s. Find the initial momentum of a ball at the half way mark of  the maximum height. g = 10 m/s.

Dear Student ,
Here is a link given below which will help you to solve this question with proper explanation .
https://www.meritnation.com/ask-answer/question/a-man-throws-a-ball-of-mass-0-5-kg-vertically-upward-with-a/force-and-laws-of-motion/5450323

Regards

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refer ur ncert book
 
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