A bicycle is traveling north at 5.0 m/s. The mass of the wheel, 2.0 kg, is uniformly distributed along the rim, which has a radius of 20 cm. What are the magnitude and direction of the angular momentum of the wheel about its axle?
A) 2.0 kg • m2/s towards the west
B) 5.0 kg • m2/s vertically upwards
C) 2.0 kg • m2/s towards the east
D) 5.0 kg • m2/s towards the east
E) 5.0 kg • m2/s towards the west
A
You might also like to view...
Thin Films: An oil film with refractive index 1.48 and thickness 290 nm is floating on water and illuminated with white light at normal incidence. What is the wavelength of the dominant color in the reflected light?
A. green (541 nm) B. blue-green (493 nm) C. violet (404 nm) D. yellow (572 nm) E. blue (470 nm)
Before hiring a personal trainer, be sure that he or she has a professional fitness certification approved by which organization?
a- ACSM b- NSCA c- NCCA d- NASM
A "GUT" (grand unified theory) refers to theories that
A) unify gravity with the strong and weak forces. B) unify the electromagnetic and weak forces. C) unify all four forces together. D) unify the strong force with the electromagnetic and weak forces.
A proton (+1.6 × 10^?19 C) moves 15.0 cm along the direction of an electric field of strength 3.0 N/C. The electrical potential difference between the proton's initial and ending points is:
a. 4.5 × 10^?19 V. b. 0.45 V. c. 24 V. d. 0.55 V. e. zero