Please help me. I’ve been trying to find an answer for more than an hour now. A Star fleet science officer drops a large rock fr

Question

Please help me. I’ve been trying to find an answer for more than an hour now.

A Star fleet science officer drops a large rock from a height of 1.55 m onto the surface of an alien planet. The rock strikes the ground in 0.230 s. Determine the acceleration of gravity.

in progress 0
Hồng Cúc 2 months 2021-07-29T11:05:29+00:00 1 Answers 3 views 0

Answers ( )

    0
    2021-07-29T11:07:20+00:00

    Answer:

    58,60m.s-²

    Explanation:

    • use equation of motion (∆y=V∆t+1/2a∆t²)
    • 1.55=(0)(0,230)+1/2a(0,230)²
    • 1,55=0,02645a
    • 1,55\0,02645=a
    • a=58,60m.s-²

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )