An object with mass 3.5 kg is attached to a spring with spring stiffness constant k = 270 n/m and is executing simple harmonic motion. when the object is 0.020 m from its equilibrium position, it is moving with a speed of 0.55 m/s.(a) calculate the amplitude of the m(b) calculate the maximum velocity attained by the object. [hint: use conservation of energy. m/s

Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good

Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.

Which is a substance that can be separated by physical means and is not the same throughout