If the diameter of a wire increases, its resistance decreases
Indicate whether the statement is true or false
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A 6.0 cm tall object is placed 20 cm in front of a convex mirror with focal -100 cm focal length. What is the size of the image formed?
A. 5.0 cm B. 7.2 cm C. 7.5 cm D. 30 cm E. 12 cm
The change in shape due to transport of atoms through the bulk of the material is called _________ creep.
Fill in the blank(s) with the appropriate word(s).
What is Newton's Second law of motion?
A. Force equals mass times acceleration, F = ma. B. When two bodies interact, they create equal and opposite forces on each other. C. Every mass exerts a force on any other mass that is proportional to the product of the masses divided by the square of the distance between them. D. A body continues in a state of rest or uniform motion in a straight line unless made to change that state by forces acting on it.
Which Mars mission searched for life in the Martian soil in the 1970's?
A) Pathfinder B) Phoenix C) Viking D) Mariner