The equation for distance is d = st. if a car has a speed of 85 m/s and travels
for 120 seconds, how far does it go?
o
a. 7400 m
o
o
b. 0.71 m
c. 14,000 m
o
d. 10,200 m

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600