If F = 40 N and M = 1.5 kg, what is the tension in the string connecting M and 2M? Assume that all surfaces are frictionless
a.
13 N
b.
23 N
c.
36 N
d.
15 N
e.
28 N
b
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The focal length of a converging lens is 10 cm. What is the magnification of this lens if the image is viewed by a relaxed eye with a near point of 25 cm?
A) 0.5 B) 1.5 C) 2.5 D) 3.5 E) 4.5
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