An 8.0 kg object moving with an initial velocity of 8.0 m/s on a surface comes to rest due to friction after it travels a horizontal distance of 11 m. What is the coefficient of kinetic friction between the object and the surface? Use g = 10 m/s2
A) 0.13
B) 0.25
C) 0.29
D) 0.43
E) 0.80
C
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A pipe that is 0.46 m long and open at both ends vibrates in the second overtone with a frequency of 1150 Hz. In this situation, the distance from the center of the pipe to the nearest antinode is closest to
A) 7.7 cm. B) 3.8 cm. C) 12 cm. D) 15 cm. E) zero.
Two planets each travel in a circular orbit about a star at radii of 
= 2R and 
= R, respectively. What is the ratio of their periods 
A. 1.6 B. 2.8 C. 1.3 D. 1.4 E. 2.0
In a police ballistics test, a 10.0-g bullet moving at 300 m/s is fired into a 1.00-kg block at rest. The bullet goes through the block almost instantaneously and emerges with 50.0% of its original speed
What is the speed of the block just after the bullet emerges? A) 1.50 m/s B) 2.97 m/s C) 3.00 m/s D) 273 m/s
Repeating font and typeface, content position, and a color scheme across your website creates visual consistency.
Answer the following statement true (T) or false (F)