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    What is the probability of getting 1,2,3,4 when 5 dice are thrown and

    What is the probability of getting 1,2,3,4 when 5 dice are thrown and one of them is not 5.(the order of 1,2,3,4 doesnt matter) I am really confused: So I computed chances of getting correct numbers that is 1/6^4 times 5/6,then I multiply this by 4 times 5! Am I right?
  2. M

    Springs,Hooke's Law

    A spring with spring constant k and of unstretched length L is cut in half and both parts are put side by side. Determine the total spring constant of the parallel springs. Can anyone explain me the solution to this.
  3. M

    Mechanics: Straight line motion

    1. A car is sitting at a stop light and then accelerates from rest when the light turns green.The acceleration of the car is a combination of forward acceleration but also slowing down due to drag forces.The final total accelaration of the car has the form a(t)=b/(t+T)^3 with constants b=2000 m...
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