In Figure 9.1, the linear speed of P, when it reaches the y-axis, is closest to:
A) 0.18 m/s
B) 0.24 m/s
C) 0.35 m/s
D) 0.49 m/s
E) 0.71 m/s
C
Physics & Space Science
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Remanent magnetism refers to the magnetism of rocks that contain the mineral named ______________
Fill in the blank(s) with correct word
Physics & Space Science
Two moles of an ideal gas at 3.0 atm and 10°C are heated up to 100°C. If the volume is held constant during this heating, what is the final pressure?
a. 4.5 atm c. 0.14 atm b. 4.0 atm d. 1.0 atm
Physics & Space Science
When a person stands 40 cm in front of a cosmetic (concave) spherical mirror, the upright image is twice the size of the object. What is the focal length of the mirror?
A) 27 cm B) 40 cm C) 80 cm D) 160 cm
Physics & Space Science
The main criterion for deciding between Universe geometries is ____
a. density b. mass c. temperature d. age e. inflation
Physics & Space Science