1. A bullet fired into target loses half its velocity after penetrating 25 cm . how much further will it penetrate before coming to rest ?
2. If K.E of a body increases by 0.1 % , the percent increase in its momentum will be ?
3. A postion dependent force F = ( 7 - 2x + 3x square )N acts on a small body of mass 2kgand displaces it from x = 0 to x = 5m. Work done in joule is ?
Dear Student,
Kindly post you queries in different threads to get the answers of all the queries.
Kindly refer to the link given below for an answer to a similar query for question 1 :
https://www.meritnation.com/ask-answer/question/a-bullet-is-fired-into-a-fixed-target-loses-half-of-its-vel/motion-in-a-straight-line/5607151
Kindly refer to the link given below for an answer to a similar query for question 2:
https://www.meritnation.com/ask-answer/question/13-if-the-kinetic-energy-of-a-body-increases-by-125-the-pe/work-energy-and-power/8751605
Hope this information will clear your doubts about the topic.
If you have any more doubts just ask here on the forum and our experts will try to help you out as soon as possible.
Kindly post you queries in different threads to get the answers of all the queries.
Kindly refer to the link given below for an answer to a similar query for question 1 :
https://www.meritnation.com/ask-answer/question/a-bullet-is-fired-into-a-fixed-target-loses-half-of-its-vel/motion-in-a-straight-line/5607151
Kindly refer to the link given below for an answer to a similar query for question 2:
https://www.meritnation.com/ask-answer/question/13-if-the-kinetic-energy-of-a-body-increases-by-125-the-pe/work-energy-and-power/8751605
Hope this information will clear your doubts about the topic.
If you have any more doubts just ask here on the forum and our experts will try to help you out as soon as possible.