Object A has a charge q on it, object B has a charge q on it, and object C has a charge 2q on it. These charges are arranged, one each, at the vertices of an equilateral triangle. Which charge has the greatest magnitude electric force on it?

a. A
b. C
c. B
d. All have equal magnitude forces on them.


B

Physics & Space Science

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If three primary colors of light shine on a white wall and produce a white spot, the primaries must be

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In a two-slit experiment a third order bright fringe is observed at an angle of 7.10°. If the wavelength of light is 595 nm, what is the slit separation?

A) 1.44 × 10-5 m B) 1.07 × 10-5 m C) 2.12 × 10-5 m D) 2.53 × 10-5 m E) 3.76 × 10-5 m

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Latent Heats: The melting point of aluminum is 660°C, its latent heat of fusion is 4.00 × 105 J/kg, and its specific heat is 900 J/kg ? K. If 300 kJ of heat are added to 442 g of aluminum at 100°C, what is the final state of the system? That is, how much is liquid, how much is solid, and what is its temperature?

What will be an ideal response?

Physics & Space Science

Energy flows by radiation or convection inside stars but almost never by conduction

Indicate whether the statement is true or false

Physics & Space Science