In Figure 9.1, the time t, when P returns to the original position on the x-axis, is closest to:

A) 13 s
B) 18 s
C) 25 s
D) 35 s
E) 50 s


D

Physics & Space Science

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The fact that the binding energy per nucleon does not depend very strongly on the volume of the nucleus indicates that

a. the strong nuclear force saturates. b. nucleons don't move throughout the nucleus. c. all nuclei have the same volume. d. the radius of a nucleus is directly proportional to the number of nucleons.

Physics & Space Science

A CD has a diameter of 12.0 cm. If the CD is rotating at a constant angular speed of 200 revolutions per minute, then the tangential velocity of a point on the circumference is

A. 1.76 m/s. B. 1.54 m/s. C. 1.41 m/s D. 1.26 m/s. E. 1.07 m/s.

Physics & Space Science

Astigmatism is usually due to

A) the cornea or lens being out of round. B) accommodation. C) myopia. D) missing rods. E) hyperopia.

Physics & Space Science

When the velocity and acceleration of an object have opposite signs, the speed of the object increases

Indicate whether the statement is true or false

Physics & Space Science