The resistance of the light bulb is __________
Fill in the blank(s) with correct word
20 ohms
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The main reason for use of stainless steel is resistance to _________.
Fill in the blank(s) with the appropriate word(s).
The motion of a particle connected to a spring is described by x = 10 sin (?t). At what time (in s) is the potential energy equal to the kinetic energy?
a. 0 b. 0.25 c. 0.50 d. 0.79 e. 1.0
The image of a convex mirror is always
a. virtual, inverted, and larger. b. virtual, upright, and smaller. c. real, upright, and smaller. d. real, inverted, and larger.
The left-hand end of a glass rod is ground to a spherical surface. The glass has index of refraction 1.50
A small object 4.00 mm tall is placed on the axis of the rod, 37.0 cm to the left of the vertex of the spherical surface. The image is formed in the rod, 50.0 cm to the right of the vertex. (a) What is the magnitude of the radius of curvature of the spherical surface at the end of the rod? (b) What is the height of the image?