Recent content by smokee

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    Pls can someone help me to solve this question, am practicing for my exams.

    that is a little bit mean, calling my writing silly, you can say that in a more better way and i will still understand you. Well i will stop :L
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    Pls can someone help me to solve this question, am practicing for my exams.

    y component is 706.32 N x component is 529.74 N @tiny-tim, do u fink dats correct? thanks a lot for helpin
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    Pls can someone help me to solve this question, am practicing for my exams.

    @hallsofivy - thanks for the reply its 105*10^4 nm =105*10^-5 m because nm = 10^-9 thanks a lot it helped sorry bro, will i not have to convert the 500g to Kg? cheers
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    Pls can someone help me to solve this question, am practicing for my exams.

    ere thanks a lot tiny-tim please i still don't get much about it, see what i did, i found the distance on the ground from the bottom of the wall to the bottom of the ladder, its 3 metres then i calculated the angle at which the ladder is leaning on the wall...its 53.13 degress...
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    Pls can someone help me to solve this question, am practicing for my exams.

    The specific heat capacity of water is 4.184 J/g°C. A 500g sample of water is exposed to the light emitted by a CO2 laser. The wavelength of the laser light is 1.06 × 104 nm. Assuming that all of the light energy is converted into heat, calculate the number moles of photons required to...
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    Pls can someone help me to solve this question, am practicing for my exams.

    A 5 metre long ladder in equilibrium leans against a wall, touching it 4 metres above the ground. The ladder’s mass is uniformly distributed and is equal to 10kg. An 80kg man stands on the centre rung of the ladder. Assume the wall is frictionless but that the ground can exert a frictional...
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