Energy = power × time
1800 = 300 × time
time = 1800 ÷ 300 = 6 s
Hope it helped!
Moving fan has rotational kinetic energy
Non moving fan has no energy since it is in rest
Answer: Differences: Solids have particles that are tightly packed and they form a pattern. In this case, they move and vibrate in place. On the other hand, liquid particles are close together but they have an irregular arrangement. The spaces between the particles allow them to move freely.
Explanation:


The results may differ due to resistive forces that may be affecting the system by decelerating it or any other external forces that might accelerate it a bit.Or the timing could be a little inaccurate.
2s
Explanation:
Given parameters:
Current = 0.835A
Quantity of charge = 1.67C
Unknown:
Time taken = ?
Solution:
The quantity of electricity Q in coulombs is the product of the current I and time t.
Q = I x t
Q is the quantity of electricity in coulombs
I is the current
t is the time taken
input the values and solve for t;
1.67 = 0.835 x t
t =
= 2s
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