An object is placed 9.5 cm from a lens of focal length 24 cm
(a) Where is the image formed?
(b) What is the magnification?
(a) 16 cm from the lens on the same side as the object
(b) m = 1.7
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A rocket speeding by the Earth at 0.917c is known, when at rest, to be roughly cylindrical with a radius of 15 m and a length of 150 m. When speeding by, what is its volume, as measured by observers on Earth?
a. 
b. 
c. 
d. 
e. 
What is the equivalent resistance between points A and B in the figure when R = 18 ??
a.
48 ?
b.
64 ?
c.
80 ?
d.
96 ?
e.
110 ?
What prevents satellites such as the ISS from falling?
A) gravity B) centripetal force C) centrifugal force D) the absence of air drag E) nothing
Coulomb's Law: A hydrogen nucleus, which has a charge +e, is situated to the left of a carbon nucleus, which has a charge +6e. Which statement is true?
A. The electrical force experienced by the hydrogen nucleus is to the left, and the magnitude is equal to the force exerted on the carbon nucleus. B. The electrical force experienced by the hydrogen nucleus is to the left, and the magnitude is greater than the force exerted on the carbon nucleus. C. The electrical force experienced by the hydrogen nucleus is to the left, and the magnitude is less than the force exerted on the carbon nucleus. D. The electrical force experienced by the hydrogen nucleus is to the right, and the magnitude is equal to the force exerted on the carbon nucleus.