A thin converging lens is found to form an image of a distant building 24 cm from the lens. If an insect is now placed 16 cm from this lens, how far FROM THE INSECT will its image be formed?
A) 96 cm B) 32 cm C) 48 cm D) 64 cm E) 72 cm
B
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When a comet like Comet Hale-Bopp comes closest to the Sun in its orbit, we say that it is at:
a. apogee b. the minimum angular momentum point c. perihelion d. circular satellite velocity e. the tail end of its journey
As a particle moves along the x axis it is acted upon by a single conservative force given by Fx = (20 ? 4.0x) N where x is in m. The potential energy associated with this force has the value +30 J at the origin (x = 0). What is the value of the potential energy at x = 4.0 m?
a. ?48 J b. +78 J c. ?18 J d. +48 J e. +80 J
R-09 insulation provides more resistance to the flow of heat than R-12 insulation
What will be an ideal response?
Baryons are composed of 3 quarks. If all 3-quark compositions of particles could happen, what would be the highest possible charge for such a particle?
a. There is no upper limit, though the charge is usually less than 3 e. b. 2 e c. 1 e d. 3 e