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the maximum vertical height of a …

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the maximum vertical height of a projectile is 10 metre if magnitude of the initial velocities 28 metre per second what is the direction of initial velocity

    • Posted by Piyush Pandey 6 years, 1 month ago

    CBSE > Class 11 > Physics
    • 1 answers

    Ranjeet Kumar 6 years, 1 month ago

    maximum height,h_m=10m Initial velocity,v_0=28 m/s Now,h_m = {(v_0 sinθ_0)^2}/2g Or,10 = {(28sinθ_0)^2}/20 Or,(200)^1/2 = 28sinθ_o Or,sinθ_ο ={14.14}/28 Or,θ_ο = asin[0.5] = 30° The projectile is projected at an angle of 30° with the horizontal. (NOTE: asinx is another notation for sin inverse x).

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