What is the MA of a doorknob with a wheel radius of 5cm and an axle radius of 2cm?

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

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

A51 kg woman skis down a hill and her kinetic energy is 9.96e4 j. what is her speed?