A 2.00-m rod of negligible mass connects two small objects. The mass of one object is 1.00 kg and the other is 1.50 kg. How far is the center of mass of this system from the 1.00 kg mass?
A)
0.800 m
B)
0.670 m
C)
1.25 m
D)
1.33 m
E)
1.20 m
E
You might also like to view...
Force on a Wire: The magnetic force on a current-carrying wire in a magnetic field is the strongest when
A. the current is in the direction of the magnetic field lines. B. the current is in the direction opposite to the magnetic field lines. C. the current is at a 180° angle with respect to the magnetic field lines. D. the current is perpendicular to the magnetic field lines. E. the current is at a 0° angle with respect to the magnetic field lines.
How is the age of the galaxy determined?
a. measuring the metallicity of Population II stars b. finding the turnoff point in the H-R diagram of globular clusters c. from the motion of stars in the galactic halo d. counting the number of open clusters in the spiral arms
The lowest places on Earth's surface are called __________ trenches
a. plateau b. mid-oceanic c. deep-sea d. none of these
To increase the current density in a wire of length l and diameter D, you can
a. decrease the potential difference between the two ends of the wire. b. increase the potential difference between the two ends of the wire. c. decrease the magnitude of the electric field in the wire. d. heat the wire to a higher temperature. e. combine both (b) and (d).