tapleytaelor tapleytaelor

19-05-2014
Chemistry

Answered

If the kinetic energy of a falling apple is 5.2 joules and its potential energy is 3.5 joules, what is its mechanical energy?

Verified Answer :

taskmasters taskmasters

18-09-2015

To determine the values the total mechanical energy of the
given problem we can first identify the values given

Given are:

1.
Kinetic Energy = 5.2 Joules

2.
Potential Energy = 3.5 Joules

Solution:

The formula for mechanical energy is

a.
Mechanical energy is total energy of both
kinetic and potential hence,

i.
ME = PE + KE

ii.
ME = 3.5 + 5.2

iii.
ME = 8.7 Joules

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