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physics

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a missile is launched an angle of 26.5 with respect to the horizontal. if it travels in the straight line over the level Terran for 2 minute and its average speed is 6000 mile per hour. what is its altitude?

  • physics - ,

    Assume:
    1. no air resistance
    2. initial speed (Vi) = "average speed" = 6000 mph

    Change in vertical altitude after time t
    =Vi*sin(θ)t - (1/2)gt²

    Vi = initial velocity = 6000 mph = 8800 ft/s
    t=time since launch = 120 s.
    θ=launch angle above horizontal = 26.5°
    g=acceleration due to gravity = 32.2 ft/s²

    Work with feet and seconds.

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