F = m g = k x
2*9.8 = k * 0.04
19.6 = k * 0.04
k = 19.6 / 0.04 Newtons/meter = 19.6/4 Newtons/ centimeter
A veterinarian uses a spring scale to weigh a cat. He records the cat's weight as 2 kilograms and notices the spring stretches 4 centimeters.
Which expression represents the spring constant? (1 kg=9.8 N)
-4k / cm
-4/19.6 N
-19.6N / 4
-4 cm/ k
1 answer