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  1. Only the force parallel to the direction of motion is relevant. work = 150N * cos24º * 8.4m = 1150 J and so this is the kinetic energy If you find this helpful, please select Favorite Answer. You get points too!

    1 Answers · Science & Mathematics · 14/04/2020

  2. A floating body experiences an upthrust equal to the WEIGHT of the fluid displaced. So your question is merely "what is the weight of 25L of water". 25L of water has a mass of 25 kg so what is the gravity...

    2 Answers · Science & Mathematics · 28/07/2019

  3. ...*a..... same force in both cases so if m = mass of second boat (a) 215 * 1.55 = m * 0.125 ==> m = 215 * 1.55 / 0.125 kg (b) F = (215+m...

    3 Answers · Science & Mathematics · 05/07/2019

  4. Volume of water displaced V = 14(11)(0.05) V = 7.7 m³ Weight of water displaced W = 7.7 m³(1000 kg/m³)(9.8 N/kg) W = 75460 N Weight of truck will be the difference between weight of water...

    2 Answers · Science & Mathematics · 21/08/2019

  5. ...173 N Component of the net force FN causing the boat to move down the canal: FNy = F1y+F2y = 212+299 = 511 N...

    2 Answers · Science & Mathematics · 01/11/2019

  6. Vrso = √Vb^2+Vc^2 = √2.57^2+1.51^2 = 3.0 m/sec crossing time t = d/Vb = 171/2.59 = 66.0 sec offset d' = Vc*t = 1.51*66 ≅ 100 m

    1 Answers · Science & Mathematics · 12/09/2019

  7. The answer is as follows:

    6 Answers · Science & Mathematics · 08/04/2020

  8. (4) From SUVAT: S = a/2 × t^2 so t = (2S/a)^.5 (80/2)^.5 = t = 6.32 seconds V = a×t V = 2 × 6.32 = 12.64 Choose a best answer to get more.

    1 Answers · Science & Mathematics · 26/08/2019

  9. No one is answering 8 questions for 10 points, maybe list each question individually. The solution to number 1 is in the Comment section

    3 Answers · Science & Mathematics · 03/09/2019

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