Answer:
A - 0 N
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Pop rocks and soda..... baking soda and vinegar ...
A. The kinetic energy in the waves has enough mechanical energy to knock over the sand castle
B.Plants use potential energy from the sun in order to grow
C.You use the potential energy in your breakfast, stored as glucose, to have energy for the school day
D. Your potential energy from height transfers to mechanical energy as you drop the plate, and the energy transfer breaks the plat
E.There is potential electrical energy from the outlet that can be converted to mechanical energy to power your hair dryer
Think of energy as the ability to do work, and then just pick a energy type that fits the situation to come up with an explanation.
Answer:
<h2>
ΔE = -1,382,800Joules</h2>
Explanation:
The internal energy of the system according to the thermodynamics law is the difference between the heat released by the system and work done to the system. Mathematically;
ΔE = q - W where;
ΔE is the change in internal energy of the syatem
q is the heat released by the system
W is the work done to the system
Given W = 4.50×10² kcal and q = 5.00×10² kJ
Since 1cal = 4.184Joules
4.50×10² kcal = (4.50×10²×10³)×4.184
W = 4.50×10² kcal = 1,882,800 Joules
q = 5.00×10² kJ = 5.00×10⁵Joules
q = 500,000Joules
Since ΔE = q - W
ΔE = 500,000 J - 1,882,800 J
ΔE = -1,382,800Joules
Hence, the change in the internal energy of the system is -1,382,800Joules