A Toy Cork Gun Contains a Spring Whose Spring Constant

Multiple Choice

A toy cork gun contains a spring whose spring constant is 10.0 N/m.The spring is compressed 5.00 cm and then used to propel a 6.00-g cork.The cork, however, sticks to the spring for 1.00 cm beyond its unstretched length before separation occurs.The muzzle velocity of this cork is:

A) 1.02 m/s
B) 1.41 m/s
C) 2.00 m/s
D) 2.04 m/s
E) 4.00 m/s