Answer:
The electron stays in an excited state for a short time. When the electron transits from an excited state to its lower energy state, it will gice off the same amound of energy needed to raise to that level. This emitted energy is a photon.
They are two representatives of the sublevels/energy levels.
A Chemical change is any form of chemical reaction changing the state of the matter involved. When you fry an egg, you are making a reaction between the heat and the chemicals that make up the egg. Therefore once you have fried that egg, you have completed a chemical reaction. This is why it's a chemical change when you fry an egg.
Data:
F = 150 N
a = 5 m/s^2 (I corrected the units of acceleration)
m = ?
Formula: F = m*a (second Law of Newton).
Solution:
F = m*a => m = F / a
=> m = 150 N / 5 m/s^2 = 30 kg
Answer: the combined mass of the tricycle and toddler is 30 kg.
Answer:
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Explanation:
