sarahf2468
sarahf2468 sarahf2468
  • 26-02-2016
  • Physics
contestada

The 5.50 cm long second hand on a watch rotates smoothly. What is its angular velocity? What is the speed of the tip of the hand?

Relax

Respuesta :

Willchemistry
Willchemistry Willchemistry
  • 26-02-2016
Angular velocity w = angle(radians) / time(sec) 

W = 2 π / 60

W = 0.105 rad/sec

V speed :

W * r  =  0.105 * 5.50

V speed = 0.5775 cm/sec

hope this helps!
Answer Link

Otras preguntas

Two reasons why a scientist might want to study the DNA of strawberries?
2x=160, can you help me with this, and show steps?
What cells. Join to cause conception? Can you help me with all of them?
Jenna got 12, or 3/5 , of her answers right. How many questions were on the test? Make sure to show your work.
What is 1 - 27/44 = in its simplest form?
how can I use the word poll in a sentence
A telephone pole breaks and falls as shown. To the nearest foot, what was the original height of the pole?
As viewed from a cliff 340 feet above sea level, a ship is 450 feet from the shore. What is the angle of depression from the cliff to the ship on the water belo
How many ways are there to arrange five French club members for a yearbook photo if the president and vice president must be seated in front with the other thre
A=1/2h(B+b); A=70, B-6, b=1 solve for h