Answer:
the air within our bodies (in our lungs and stomachs, for example) is exerting the same pressure outwards so there's no pressure difference and no need for us to exert any effort.
Explanation:
to the bus you walk at one pace
to the ground you add the bus to your speed
try it on a bus or train ... windows help
If an object is moving and has velocity it has kinetic energy. the kinetic energy of an object is the energy that it possesses due to its motion.
In my work I used the formula for kinetic energy to answer your question. Hope this helps.
Its Displacement and Time for sure.
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