Like charges _________, unlike charges __________
Fill in the blank(s) with correct word
repel, attract
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A very long thin wire produces a magnetic field of 0.0050 × 10-4 T at a distance of 3.0 mm from the central axis of the wire. What is the magnitude of the current in the wire? (?0 = 4? × 10-7 T • m/
A) A) 7.5 mA B) 1.7 mA C) 3300 mA D) 24,000 mA
If an electron is accelerated through a potential difference of 500 V between two parallel plates separated by a distance of 2.0 cm. The change in kinetic energy of the electron during this motion is
A) 100 eV. B) 2000 eV. C) 250 eV. D) 500 eV. E) 1000 eV.
Classify the following bonds as ionic, covalent, or neither (O, atomic number 8; F, atomic number 9; Na, atomic number 11; Cl, atomic number 17; U, atomic number 92)
O with F Ca with Cl Na with Na A) covalent, ionic, covalent B) ionic, covalent, neither C) neither, ionic, covalent D) covalent, ionic, neither
An object is undergoing simple harmonic motion with frequency f = 9.7 Hz and an amplitude of 0.12 m. At t = 0.00 s the object is at x = 0.00 m. How long does it take the object to go from x = 0.00 m to x=0.048 m?
What will be an ideal response?