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What if there was no energy on Earth and energy could not reach it in any form?
Without energy, nothing can happen. There could be no life, no change - basically, nothing interesting.
How much work do you do on a 25 kg backpack when you walk a horizontal distance of 100 m?
Work is equal to a change in energy. in this case the backpack has the same energy throughout the walk and thus no work is done
Will pushing on a car always change the cars mechanical energy what must happen for the cars kinetic energy to increase?
I don't know
How does energy happen?
energy doesn't happen, it exists. for energy to happen, energy would have to be an action (verb), but it is a thing (noun).
What can happen to sound energy travelling through the air when it meets a new substance?
the substance can change the sound energy and make you here something else.......
When does chemical energy change into nuclear energy?
This does not happen, they are quite differenwell sometime chemical change into nuclear by going to thermal energy
Gas is burnt to cook a meal is it an energy conversion or an energy transfer?
How does it happen? If there's a chemical change, it's energy conversion, if it's a physical change, it's energy transfer.
What happen when electron change energy level?
When electrons change energy levels they usually become more stable. Sometimes when electrons change energy levels they become unstable though.
What energy transfers happen when coal is turned in to electric?
when coal burns the energy change is chemical -------------> electrical
How does change of state take place?
for a state change to happen it must lose or gain or loose kinetic energy
What if there was no energy on Earth and energy could not reach it in any form?
Without energy, nothing can happen. There could be no life, no change - basically, nothing interesting.
How much work do you do on a 25 kg backpack when you walk a horizontal distance of 100 m?
Work is equal to a change in energy. in this case the backpack has the same energy throughout the walk and thus no work is done
Will pushing on a car always change the cars mechanical energy what must happen for the cars kinetic energy to increase?
I don't know
What happen to energy during a change of state Why is it a physical change?
Its released or adsorbed. Its "physical" because no new substance(s) is produced.
What can make your body change into to food into energy?
Food changes into energy when the carbs aare absorbed by the body. for this to happen the body has to digest the food.
What two things happen in a chemical reaction?
change in properties and changes in energy
How does energy happen?
energy doesn't happen, it exists. for energy to happen, energy would have to be an action (verb), but it is a thing (noun).
