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22 May, 08:29

Ojectile is launched on the Earth with a certain ini - tial velocity and moves without air resistance. Another projectile is launched with the same initial velocity on the Moon, where the acceleration due to gravity is one - sixth as large. How does the range of the projectile on the Moon compare with that of the projectile on the Earth? (a) It is one-sixth as large. (b) It is the same. (c) It is!6 times larger. (d) It is 6 times larger. (e) It is 36 times larger.

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  1. 22 May, 12:29
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    --vertical from ground to top--

    v^2 = u^2 + 2as

    with v = 0, a=g, s=u^2 / (-2g)

    g on the moon is 1/6

    u is equal, then it goes 6 times higher on the moon.

    v = u + at

    with v = 0, a=g, t = u / (-g)

    g on the moon is 1/6

    u is equal, then it takes 6 times longer on the moon.

    --horizontal--

    s = vt, v is equal

    t on the moon is 6 time longer

    it moves 6 times farer on the moon
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