Addition by 1. Components: The figure shows three vectors, , , and , along with their magnitudes. Determine the magnitude and direction of the vector given by  +  - 

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Fill in the blank(s) with the appropriate word(s).

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False

Physics & Space Science

One of the rare galaxies that is isolated in space is likely to be a(n) ____

a. starburst galaxy b. ultra luminous infrared galaxy c. dwarf galaxy d. antenna galaxy e. spiral galaxy

An aluminum ball is subjected to a pressure of The bulk strain is What is the bulk modulus?

a.
b.
c.
d.
e.

Three particles are placed in the xy plane. A 30-g particle is located at (3, 4) m, and a 40-g particle is located at (?2, ?2) m. Where must a 20-g particle be placed so that the center of mass of the three-particle system is at the origin?

a. (?3, ?1) m b. (+1, +3) m c. (+3, ?1) m d. (?1, ?3) m e. (?0.5, ?2) m

The force on a current-carrying wire in a magnetic field is the strongest when

A) the current is parallel to the field lines. B) the current is at a 30° angle with respect to the field lines. C) the current is at a 45° angle with respect to the field lines. D) the current is at a 60° angle with respect to the field lines. E) the current is perpendicular to the field lines.