Physics Word Problem

Physics
Tutor: None Selected Time limit: 1 Day

The length of the minute hand on a clock is
11cm.
A) Through what angle did this hand turn between 3:00PM and 3:20PM? Answer in units of degrees

B) What distance was actually traveled by the tip of the minute hand during this time interval? Answer in units of cm.

C) What was the magnitude of the displacement vector of the minute hand’s tip during this time period ?Answer in units of cm 

Jun 23rd, 2015

Thank you for the opportunity to help you with your question!

A. ) 1/3 0f 360 = 120 degrees

B) !/3 x 2π r  = 1/3 x 2x 3.1416 x 11 

                      = 23.0384 cm

C) 2 x 11 x sin 60  =  11 √3 = 19.0526 cm


Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 23rd, 2015

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