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kinetic energy of a body of mass 6g and momentum 9Ns will be __ J​

By Remi

kinetic energy of a body of mass 6g and momentum 9Ns will be __ J​

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Remi

chapter name – physical and chemical change class 7

give odd one out and state the reason between

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The point A is on a mountain which is 4800 metres above sea level and the point B is in a mine which is 27500 metres below sea lev

2 thoughts on “kinetic energy of a body of mass 6g and momentum 9Ns will be __ J​”

  1. Answer:

    momentum = p

    p = mv = 9kg.m/s

    given , m = 6g = 0.006kg

    so velocity = 9/0.006

    = 1500m/s

    now kinetic energy = ½mv²

    = ½ × 0.006 × 2250000

    = 6750J

    hope it helped 🙂

    Reply

  2. Answer:

    6750J

    Step-by-step explanation:

    given: mass=0.006kg

    momentum=9N

    P=MV

    (Momentum=mass*velocity)

    9=0.006*9

    v=1500

    Now, K.E= 1/2mv^2

    = 1/2*6*(1500)^2

    = 1/2*6*2250000

    = 6750J

    Reply

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