A 100 lb weight is attached to a vertical spring, which stretches the spring 1 ft. Then the weight is subjected to a periodic external force f(t) = f0 cos !t. For what value of the circular frequency ! will resonance occur?

Ibelieve the answer is b

Hellosubatomic particles  are  particles  that are smaller than the atom. protons, neutrons, and electrons are the three mainsubatomic particles  found in an atom. protons have a positive (+)  charge. an easy way to remember this is to remember that both neutron and no  electrical charge  start with the letter "n."have a nice day