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  1. ...i.e. with a common ratio of 2/3 So total time taken before the ball comes to rest is: T1 + T2 + T3 + ... = T1 + (4T1/3...

  2. ...we get, C = ln(13) thus, ln(4+3v) = ln(13) - 3t ---------- (1) when the particle comes to rest, v = 0 m/s ln(4) = ln(13) - 3t i.e. t = (1/3).ln(13/4) from (1): lm[(4+3v...

  3. ...that moment of velocity = 30 m s^-1, it needs a further of 30/3.5 = 8.57 s to come to rest.

  4. ...06)S S=27.3M The car will travel 27.3m further before coming to rest. 2008-12-26 10:57:30 補充: 以上2位均沒有埋會further的意思.

  5. When an energetic electron comes near to a (tungsten) target atom, it is subjected to strong...and tungsten atoms also causes the target atom to gain in vibrational energy, which is manifested as...

  6. ...1 after travelling a distance of 100m. How much more time will it take to come to rest? 2aS = v^2 -u^2 v = 30ms^-1; u = 40ms^-1 and S = 100m ...

  7. ...mass 58kg steps off a 10 m high platform and dives into water. He comes to rest when he is 4m below the water surface. a) estimate the speed of Mr...

  8. ...conservation of mechanical energy. When the elevator comes to a complete stop, (1/2)x(2000)x(4^2) + 2000g x 2 = 17000...0.07 N/m = 21.43 N/m (Take g to be 10 m/s^2) By energy conservation, 0.2g.(0.3...

  9. ...1)-3x(2): 5u = 270 Hence, u = 54 m s-1 Consider that the object comes to rest. u = 54 m s-1 v = 0 m s-1 a = -2 m s-2 s = ? v2 = u2 + 2as (o) = (54)2 + 2...

  10. ...after travelling a distance of 100 m, and runs 80 m further before it comes to a stop. What is its speed at first? Answer...