posted by Anonymous .
A child’s toy consists of plastic attached to
a spring. The spring is compressed against
the ﬂoor a distance of 2.55 cm, and the toy is
The acceleration of gravity is 9.8 m/s
If the toy has a mass of 116 g and rises to
a maximum height of 64.4 cm, estimate the
force constant of the spring.
Answer in units of N/m