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  1. KE gets converted to Q, thermal energy KE = 1/2*m*v^2 Q = KE, assuming complete conversion to thermal energy. Thus Q = 1/2*m*v^2 Data: m:=1050 kg; v:=250/9 meters/sec; Result: Q = 405093...

    2 Answers · Science & Mathematics · 16/01/2010

  2. You have used all of the allotted 110 characters in the first section and not completed the question. Try again putting the sentence beginning with 'Suppose' in the box marked Now add a little more detail...

    2 Answers · Science & Mathematics · 09/03/2010

  3. You know the linear speed and the mass of the ball so you know the translational kinetic energy, Kt Kt = 1/2 mv^2 = 50.54 J Now to get he rotational energy Kr, you need the moment of inertia of a solid sphere taken aroun its center, and the rotational speed of the ball...

    5 Answers · Science & Mathematics · 31/03/2010

  4. v = A sqrt(k/m) f ~ sqrt(k/m), so if the frequency is doubled, the max speed is doubled.

    2 Answers · Science & Mathematics · 24/04/2011

  5. (a) by the amount of time it takes to fill the bucket: 22 L / 96 seconds = 0.23 Liters (equal to 230 cm^3) coming out of the hose every second. We think of the water coming out of the hose as as cylinder with length L, surface area A and volume V...

    2 Answers · Science & Mathematics · 30/03/2012

  6. Since initial velocity is 34.8 and final velocity is 25 the change is 9.8 and time is 3.5 so magnitude is 9.8/3.5 and direction is to west as slowing down b)can be caluculated by s=ut+1/2at^2

    2 Answers · Science & Mathematics · 06/02/2011

  7. Note that, after t seconds, the boat travels 1.65t m towards the short and the boat floats 1.05t m down stream. Then, the distance that the boat actually travels is: D = √[(1.65t)^2 + (1.05t)^2] = 1.96t. Therefore, the speed of the boat is: v...

    2 Answers · Science & Mathematics · 18/02/2011

  8. The answer is C, because in the spectators frame the sprinter is going .99c and light is traveling @ 1.00c: However in the frame of the runner, the light it STILL traveling @ 1c, the runner will say that the light beat him by...

    2 Answers · Science & Mathematics · 20/05/2011

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