A machine has an efficiency of 70%. How much work dose the machine do when 20,000 J of work is done on it

Question

A machine has an efficiency of 70%. How much work dose the machine do when 20,000 J of work is done on it

in progress 0
Sigridomena 6 days 2021-07-22T21:33:55+00:00 2 Answers 1 views 0

Answers ( )

    0
    2021-07-22T21:35:07+00:00

    Answer:

    a

    Explanation:

    0
    2021-07-22T21:35:53+00:00

    Answer:

    A. 14,000 J

    Explanation:

    on edg.

Leave an answer

Browse

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