A cylinder with its mass concentrated toward the center has a moment of inertia of 0.2MR2 . If this cylinder is rolling without slipping along a level surface with a linear speed v, what is the ratio of its rotational kinetic energy to its linear kinetic energy?
a. 1/l0
c. 1/2
b. 1/5
d. 1/1
B
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A long linear charge distribution of charge density 1.35 nC/m is surrounded by a concentric cylindrical surface of length 1.60 m and radius 23.6 cm. What is the magnitude of the electric field at the curved surface of the cylinder?
A. 436 N/C B. 103 N/C C. 51.5 N/C D. 135 N/C E. 0.0
The__________is the spiral galaxy that contains the Sun
A) Andromeda Galaxy B) Cartwheel Galaxy C) Milky Way Galaxy D) Pinwheel Galaxy
Graphical Analysis: A child standing on a bridge throws a rock straight down. The rock leaves the child's hand at time t = 0 s. If we take upward as the positive direction, which of the graphs shown below best represents the velocity of the stone as a function of time?
A. 
B. 
C. 
D. 
E. 
A red razorback uniform appears red because
A. It refracts red wavelengths B. It creates constructive interference for red wavelengths C. It reflects red wavelengths D. It absorbs red wavelengths