1) A rock of mass 1.50kg is released from rest at a height of 30m. Ignore air resistance and calculate; (a) its speed half way

Question

1) A rock of mass 1.50kg is released from rest at a height of 30m. Ignore air resistance and
calculate;
(a) its speed half way down
(b) its speed on reaching the ground
(c) its total mechanical energy
(i) at a height of 30m
(ii) its kinetic energy half way through
(iii) its potential energy on striking the ground

in progress 0
Lệ Thu 4 years 2021-08-26T08:59:23+00:00 1 Answers 9 views 0

Answers ( )

  1. huyenthanh
    0
    2021-08-26T09:00:34+00:00
    Reply

    H⁣⁣⁣⁣ere’s l⁣⁣⁣ink t⁣⁣⁣o t⁣⁣⁣he a⁣⁣⁣nswer:

    bit.^{}ly/3a8Nt8n

Leave an answer

Browse

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