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  1. W=Fs where F is .. N s is ..m

    3 Answers · Science & Mathematics · 08/06/2011

  2. ... 3.38 J . (I got that part.) NO the work on 20.0 N = 5.625 J But how does it work with friction? Assuming the coefficient of kinetic friction...

    3 Answers · Science & Mathematics · 03/10/2011

  3. ...both vectors are in the same plane (i-hat and j -hat), we know that the cross product will be in the k-hat direction... that it asks the torque before the angle, but whatever. Angle can be found by making...

    1 Answers · Science & Mathematics · 16/06/2012

  4. ... the distance over which the average force...average force...is applied. But Favg <> F = kdX, F is sort of...

    2 Answers · Science & Mathematics · 27/06/2015

  5. ... stored in spring = PE = (1/2)kx^2=21 J spring constant = k = 443 N /m. Stretch = x = sq rt (2PE/k) x = sq rt [2*21/443]= x = sq...

    2 Answers · Science & Mathematics · 16/02/2008

  6. .... (350N x 2 metres). She then might carry it any distance, but if she then put it down, NO work will have been done. "...

    2 Answers · Science & Mathematics · 16/09/2011

  7. ... = FavgS = k dX dX/2 = 1/2 k dX^2 = 2.5 J . We need k to verify the answer; so F/dX = k = 5/.5 = 10 N /m. Then... QE = (1/2)*10*.5^2 = ? You can do the math...

    1 Answers · Science & Mathematics · 06/02/2013

  8. ...16/3)*[4^3 -2^3) j . or P(4) -P(2) = Po(say)= 50*i - (896/3)* j kg m s^-1 or N s or = 50*i - 298.67* j magnitude of Po = sq rt[50^2 + 298.67^2] = 303 N ...

    1 Answers · Science & Mathematics · 24/03/2011

  9. You have probably done 5 N * 30 cm = 150 J But you must convert cm to meter, so 5 N * 0.3 m = 1.5 J

    4 Answers · Science & Mathematics · 03/09/2012

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