A certain camera uses a double-convex lens made of glass with an index of refraction of 1.60. This lens has a radius of curvature of magnitude 12 cm for the first surface and one of magnitude 24 cm for the second surface
What is the focal length of this lens?
13 cm
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This diagram represents the carbon dioxide cycle. Which position in the diagram represents the part of the cycle in which carbon dioxide is turned into carbonate minerals and rock?
A) Position 1 B) Position 2 C) Position 3 D) Position 4
Find the speed of an ocean wave whose vertical displacement y as a function of time t is given by y(x,t) = 3.7 cos(2.2x - 5.6t), where all quantities are in SI units
A) 2.5 m/s B) 1.9 m/s C) 3.5 m/s D) 4.5 m/s
Graphical Analysis: If the position versus time graph of an object is a horizontal line, the object is
A. moving with constant non-zero speed. B. moving with constant non-zero acceleration. C. at rest. D. moving with increasing speed.
A bullet is fired with a certain velocity at an angle ? above the horizontal at a location where g = 10.0 m/s2. The initial x- and y-components of its velocity are 86.6 m/s and 50.0 m/s respectively. What is the initial velocity of the bullet?
A) 86.6 m/s B) 50.0 m/s C) 36.6 m/s D) 100 m/s E) 136 m/s