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  1. A

    Physics: Post your doubts here!

    guys help again calculate how much gravitational potential energy is lost by an aircraft of mass 80000 kg if it descends from an altitude of 10000 m to an altitude of 1000m. what happens to this energy if the pilot keeps the aircraft's speed constant? so in this question first i calculated...
  2. A

    Physics: Post your doubts here!

    you are a life saver man.... thanks a lot.....
  3. A

    Physics: Post your doubts here!

    force and motion one horse pulls,with a force of X N , a cart of a mass 800 kg along a horizontal road at constant speed. three horses pulling each with a force of X N , give the cart an acceleration of 0.8m/s^2 . find the time it will take two horses to increase the speed of the cart from 2m/s...
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    Physics: Post your doubts here!

    https://www.dropbox.com/s/tfxmd42q05vh7cr/IMG_2883.JPG?dl=0
  5. A

    Physics: Post your doubts here!

    afc://09ba817d02c813536e1c2295a58926c36d7cad8b/DCIM/102APPLE/IMG_2883.JPG the answer is 20KJ
  6. A

    Physics: Post your doubts here!

    i did this and just was wondering if i got it correct changed momentum = initial momentum - negative momentum because in momentum energy is not lost but transferred. where negetive momentum is the momentum of the bat... still correct? thanks again guys :)
  7. A

    Physics: Post your doubts here!

    did not have the answer to this one.... A ball having a momentum p hits a bat and its momentum becomes -P. what is the change in momentum of the ball?
  8. A

    Physics: Post your doubts here!

    thanks a lot that one was really troubling me :) and sure will drop a question in the blog if i ever run into a problem :)
  9. A

    Physics: Post your doubts here!

    the answer is 6440 ~~6400N
  10. A

    Physics: Post your doubts here!

    the question is same and that's all the information that is given to me, but i was able to find the answer when i used "velocity * weight * 2" . is it anyway possible that the formula used would be correct?? thanks i will check your blog. :)
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