a crane lifts a 450kg concrete to the top of a 50m building in 5s.assuming g=10m/s²,calculate a,the potential energy if the concrete​

Question

a crane lifts a 450kg concrete to the top of a 50m building in 5s.assuming g=10m/s²,calculate a,the potential energy if the concrete​

in progress 0
Doris 4 years 2021-08-02T15:29:23+00:00 1 Answers 35 views 0

Answers ( )

  1. thienthi
    0
    2021-08-02T15:30:43+00:00
    Reply

    Answer:

    The answer is 225,000Joules

Leave an answer

Browse

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