How are moving pulleys different from fixed-position pulleys? (Points : 3) Moving pulleys have more force than fixed-position pu
2 answers:
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Answer:
R = 6.8
Explanation:
Given data:
Richter scale
where R - magnitude of earthquake of Richter scale
I - quake's intensity
- minimum intensity earthquake
Plugging all information in the equation to get Richter's scale
R = 6.8
Answer:
- E = 11.55J
- Q = 0.17C
- E' = (1/4)E
Explanation:
- To calculate the amount of energy stored in the capacitor, you use the following formula:
C: capacitance = 3800.0*10^-6F
V: potential difference = 78.0V
The energy stored in the capacitor is 11.55J
- If the electrical energy stored in the capacitor is 6.84J, the charge on the capacitor is:
The charge on the capacitor is 0.17C
- If you take the capacitor as a parallel plate capacitor, you have that the energy stored on the capacitor is:
A: area of the plates
d: distance between plates
If the distance between plates is increased by a factor of 4, you have:
Then, the stored energy in the capacitor is decreased by a a factor of (1/4)