An 80 kilogram rock at the edge of a 10 meter cliff has what potential energy of joules?

Question

An 80 kilogram rock at the edge of a 10 meter cliff has what potential energy of joules?

in progress 0
Tryphena 5 years 2021-08-10T06:54:02+00:00 1 Answers 19 views 0

Answers ( )

  1. minhkhoi
    0
    2021-08-10T06:55:36+00:00
    Reply

    Answer: PE = 7840 J

    Explanation: Potential Energy is expressed as the product of mass, acceleration due to gravity and height.

    PE = mgh

         = 80 kg ( 9.8 m/s2) ( 10 m )

         = 7840 J

Leave an answer

Browse

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