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A block is thrown upwards with …

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A block is thrown upwards with a kinetic energy 1j. If it goes up to a maximum height of 1m, find the mass of the block.

    • Posted by Sakshi Sharma 2 years, 10 months ago

    CBSE > Class 09 > Science
    • 2 answers

    Vaibhav Verma 2 years, 10 months ago

    A/Q. Since height is given Therefore we can say that Ek. = Ep. ..... @eq.1 Let's calculate Ep. Ep. = mgh = m × 9.8 m/s^2 × 1m = m × 9.8 m/s^2 From eq 1) Ep. = 1Joule 1= m × 9.8m/s^2 m = 1/ 9.8m/s^2 On furthermore calculations... m= 0.102 kg If required convert mass in kg to g. m = 102 grams. Hope it helps!! Thank you

    1Thank You

    Dinesh Singh 2 years, 10 months ago

    The kinetic energy will be comverted into its potential energy when it reaches its max height, therefore we can equate the potential energy with kinetic energy

    Kinetic energy = potential energy

    1J = mgh

    1 = m × 9.8 ×1

    m = 1/9.8

    m = 0.1020 kg = 102 gram

    2Thank You

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