How much energy is stored in the 50-?F capacitor when Va ? Vb = 22 V?
?
?
a.
0.78 mJ
b.
0.58 mJ
c.
0.68 mJ
d.
0.48 mJ
e.
0.22 mJ
d
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Nuclear Binding Energy: A summary of the nuclear reactions that power our sun is 4p ? 4He + 2e-, with masses of 938.272 MeV/c2 for a proton, 3727.38 MeV/c2 for the helium nucleus, and 0.511 MeV/c2 for each electron. How much energy is released by each of these reactions?
A. 24.69 MeV B. 28.3 MeV C. 2790.13 MeV D. 279.01 MeV
A binary system has two stars of mass M circling their common center of mass on opposite sides of a circle of radius R. What is the potential energy of the system?
What will be an ideal response?
When a workman strikes a steel pipeline with a hammer, he generates both longitudinal and transverse waves. The two types of reflected waves return 2.4 s apart. How far away is the reflection point? (For steel, vL = 6.2 km/s, vT = 3.2 km/s)
The deepest point of the Pacific Ocean is 11,033 m, in the Mariana Trench. What is the water pressure at that point? The density of seawater is 1025 kg/m3
A) 1.13 × 107 Pa B) 2.18 × 105 Pa C) 1.11 × 104 Pa D) 1.11 × 108 Pa E) 1.09 × 105 Pa