contestada

A block of mass m=2.90kg initially slides along a frictionless horizontal surface with velocity v_(0)=2.50(m)/(s). At position x=0, it hits a spring with spring constant k=24.00(N)/(m) and the surfa
a) 2.90kg
b) 2.50(m)/(s)
c) k=24.00(N)/(m)
d) None of the above.