The thickness of the Galaxy near the Sun is about 1000 light-years

Indicate whether the statement is true or false


TRUE

Physics & Space Science

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Vision Problems: Farsightedness can usually be corrected with

A. converging lenses. B. diverging lenses. C. convex mirrors. D. cylindrical lenses. E. concave mirrors.

Physics & Space Science

Resistance and Resistivity: How much current will flow through a 40.0-m length of metal wire with a radius of 4.0 mm if it is connected to a power source supplying 16.0 V? The resistivity of the metal is 1.68 × 10-8 ? ? m.

A. 1200 A B. 9.5 × 108 A C. 68 nA D. 710 A

Physics & Space Science

The types of current carried by the headlights of an automobile, and by a plug-in toaster in your kitchen, are

A) both DC. B) both AC. C) AC and DC, respectively. D) DC and AC, respectively. E) None of the above.

Physics & Space Science

No force of gravity acts on an astronaut in an orbiting space station

1.True 2.False

Physics & Space Science