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  1. Thought blocker

    Chemistry: Post your doubts here!

    np
  2. Thought blocker

    Physics: Post your doubts here!

    mgsinteta*speed=40% of total power mgsinteta=force,,,,,,force*velocity=power (total m)(9.81)sin30)==40% 100%=ans Hope it helps.Please tell if the answer u get by this way is differnt from mark scheme...
  3. Thought blocker

    Physics: Post your doubts here!

    25) The Y is half the amplitude of X = 8/2 = 4 And In onw oscillation of Y there is the frequency of 100Hz, so what will be the frequency of Y which oscillates 3 times when X does for 1, that would be 3 * 100 = 300Hz
  4. Thought blocker

    Physics: Post your doubts here!

    13) Basic concept of dynamics, forces. B is the answer, no explanations :P 14) (0.35*3*9.81)+(0.1*1.4*9.81=(0.15*6*9.81)+ans ans=2.8Nm 20) Take the leftmost column of liquid. There is a rule in fluid-statics that "the pressure in a sample of liquid is the same at any vertical height, as long...
  5. Thought blocker

    Physics: Post your doubts here!

    9) Force α Acceleration So when Force = zero, no change in speed, When force is constant, acceleration is also constant, so speed will increase linearly. 16) The vertical components of both H and W are cancelled by the upwards vertical component of T. Furthermore, T balances out the...
  6. Thought blocker

    Physics: Post your doubts here!

    We know estimate of athlete : K.E of athlete = 4000 J LEARN THE ESTIMATES :) I have uploaded the file :)
  7. Thought blocker

    Physics - Electronics Engineering. :)

    Physics - Electronics Engineering. :)
  8. Thought blocker

    Physics: Post your doubts here!

    21) 28) Simple, The flow of charge in electric field is from -ve ( tail) to +ve(head) So Electron will repel, so would move towards the tail, i.e is downwards. And As there wiuld be repulsion, it would repel with great force in electric field. 31) and 32) are again theory based, I won't...
  9. Thought blocker

    Physics: Post your doubts here!

    Taking a look at the image and the details we are given, it seems to be too cumbersome to count the waves at each point and check if they are 1/8th out of phase. In fact, determining what 1/8th out of phase is would be a big headache. So, let's turn to mathematics and try to form a "phase/wave...
  10. Thought blocker

    Physics: Post your doubts here!

    8) lets see the motion in XY initial velocity at x=v1 final velocity at y=v2 average velocity=distance/time (V1+V2)/2=40/12 equation 1 simplifying it we get V1+V2=6.67 now consider motion in XZ initial velocity at x=v1 final velocity=v3 V1+V2/2=(40+40)/(12+6) simplifying it we get V1+V3=8.89...
  11. Thought blocker

    BYE :*

    BYE :*
  12. Thought blocker

    We have to go to Kushal's sir house at 6:00 PM Mane leva avi ja . _ .

    We have to go to Kushal's sir house at 6:00 PM Mane leva avi ja . _ .
  13. Thought blocker

    Physics: Post your doubts here!

    Both already answered :) 12) 15) When a total amount of work W is done on any object, the kinetic energy of that object changes by a quantity W - if negative work is done on the object, the kinetic energy changes by a negative amount and if positive work is done on the object it's energy...
  14. Thought blocker

    np

    np
  15. Thought blocker

    - _ - If my bro wont come I'll take you! :* going for bath, ttyl.

    - _ - If my bro wont come I'll take you! :* going for bath, ttyl.
  16. Thought blocker

    -_- Yes!

    -_- Yes!
  17. Thought blocker

    TODAY ._. 2 di thi kaun ave se . _ .

    TODAY ._. 2 di thi kaun ave se . _ .
  18. Thought blocker

    ^_^ :'(

    ^_^ :'(
  19. Thought blocker

    -_- You coming at 10:;30 ? Or should I go with my bro :O ?

    -_- You coming at 10:;30 ? Or should I go with my bro :O ?
  20. Thought blocker

    Not after you sip the cup of Green tea ^_^

    Not after you sip the cup of Green tea ^_^
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