A spring with spring constant k = 800 N/m is extended 12 cm from its equilibrium position. A spring with 6.0 cm extension from equilibrium will have the same potential energy as the first spring if its spring constant is
a. 200 N/m.
b. 400 N/m.
c. 800 N/m.
d. 1 600 N/m.
e. 3 200 N/m.
e
You might also like to view...
A blog or website's ______ is its control panel.
A. dashboard B. button board C. headquarters D. sandbox
How would you describe the rapid variations in CO2 on the inset graph on the right?
A) The variations occur randomly every few years. B) The variations occur randomly every few months. C) The variations occur regularly every few years. D) The variations occur regularly every year. E) The variations occur regularly every few months.
Three particles are placed in the xy plane. A 30-g particle is located at (3, 4) m, and a 40-g particle is located at (?2, ?2) m. Where must a 20-g particle be placed so that the center of mass of the three-particle system is at the origin?
a. (?3, ?1) m b. (+1, +3) m c. (+3, ?1) m d. (?1, ?3) m e. (?0.5, ?2) m
Power: Water flows over a waterfall that is 20 m high at the rate of 4.0 × 104 kg/s. If this water powers an electric generator with a 40% efficiency, how many watts of electric power can be supplied?
Fill in the blank(s) with the appropriate word(s).