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March 25, 2017

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A body of mass 0.5 kg is thrown vertically upwards with a speed of 10 m/s. Determine:

a.The initial kinetic energy of the body
b.The gain in potential energy when the body has reached its maximum height
c.The maximum height reached above the starting position

  • PHYSICS(URGENT) - ,

    a. KE = 0.5m*V^2.
    KE = 0.5*0.5 * 10^2 = 25 Joules.

    b. PE = Loss in KE = 25 Joules.

    c. hmax = (V^2-Vo^2)/2g.
    hmax = (0-(10^2)) / -19.6 = 5.10 m.

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