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2 years ago

15

Luis wants to compare the density of three solid objects that are different shapes and sizes. What information does he need to m

ake the comparison?

1 answer:

tatyana61 [14]2 years ago

7 0

Answer:

u need to make sure that comparison is = to shapes and then find the shapes sizes and add them

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Answer:

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Mechanical energy is given by the sum of kinetic energy and potential energy; mathematically:

U = KE + PE

where

KE is the kinetic energy

PE is the potential energy

This means that if we consider two situations, one at the beginning and one at the end, the value of U will not change if the system is closed; this means that the sum KE + PE will remain the same, so we can write:

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From the question we are told that:

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