Answer to Question #77096 in Physical Chemistry for merry

Question

a) An object of mass 45 g moves in a circular orbit of radius 6 cm with a speed of 18.5 cm s-1. Calculate the following:

i) the circular frequency of the object;
ii) the angular speed and centripetal acceleration of the object;
iii) the centripetal force acting on the object.


b) A mass of 25 kg is attached to a single spring and undergoes simple harmonic motion with a time period of 11.1 s. Calculate the following:

i) the acceleration of the spring when displaced 15 cm from the equilibrium position;
ii) the force constant of the single spring;
iii) the resulting force constant if two equivalent springs are connected in series and in parallel,
iv) the time period of oscillation for the two springs joined in series. How does this value compare to the single spring?

Answer 1

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