An oscillator is describe by the expression x(t) = .25 m cos[(1.3 rad/s)t - 1.8 rad]....

An oscillator is describe by the expression x(t) = .25 m cos[(1.3 rad/s)t - 1.8 rad].

A) what is its period of oscillation?

B) what is its velocity at t = 1.9 seconds?

Expert Solution

where x^ in part(b) is just unit vector representing the direction of velocity at the instant...

If you still have any confusion regarding the solution or any step ... then please let me know in the comments section...

Thank you...

genius_generous answered 4 years ago

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