A 2.0-kg block sliding on a horizontal frictionless surface is attached to one end of a horizontal spring (k = 200 N/m) which has its other end fixed. If the block has a speed of 4.0 m/s as it passes through the equilibrium position, what is its speed when it is 20 cm from the equilibrium position?
a. 2.6 m/s
b. 3.1 m/s
c. 3.5 m/s
d. 1.9 m/s
e. 2.3 m/s
c
Physics & Space Science
You might also like to view...
Chloroplasts are found in the cells of which of the following organisms?
a. Clams b. Tulips c. Parrots d. Starfish
Physics & Space Science
Two carbon cylinders have radii r and 2r and the first has length 2L, while the second has length L. What is the resistance of the first if the resistance of the second is 12 
A. 6
B. 1.5
C. 3
D. 24
E. 96
F. 48
Physics & Space Science
Which of the following landscapes were not carved by glaciers?
A) The Grand Canyon B) Yosemite National Park C) The Swiss Alps D) The Great Lakes of North America
Physics & Space Science
Light will pass through a pair of Polaroids when their axes are
A) 45 degrees to each other. B) parallel. C) either of these D) neither of these
Physics & Space Science