(c) A coal-fired power station generates electricity at night when it is not needed. Some of this energy is stored by pumping water up

Question

(c) A coal-fired power station generates electricity at night when it is not needed.
Some of this energy is stored by pumping water up to a mountain lake. When there is high
demand for electricity, the water is allowed to flow back through turbines to generate electricity.
On one occasion, 2.05 x 108kg of water is pumped up through a vertical height of 500 m.
(i) Calculate the weight of the water.
weight =
[1]

in progress 0
Hải Đăng 4 years 2021-09-04T10:14:04+00:00 1 Answers 160 views 0

Answers ( )

  1. nguyetanh
    -2
    2021-09-04T10:16:02+00:00
    Reply

    Answer:

    ion know tbh

    Explanation:

Leave an answer

Browse

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