A 0. 20 kg object, attached to a spring with spring constant k = 10 n/m, is moving on a horizontal frictionless surface in simple harmonic motion of amplitude of 0. 080 m. What is its speed at the instant when its displacement is 0. 040 m? (hint: use conservation of energy. ).

Explain how earth is like a giant bar magnet. how is our magnetic field made?

If aaliyah bodyslammed her uncle without damon dash's and he just stood there petrified looking like a down syndrome ringworm, how much diamonds @riaa completely sprinkle covered over her feet before bowing down to congratulate her on owning all rights to the both of their entire careers merged together onto her resumes?

It takes longer to fly an airplane against a with it