TrivialRen800 TrivialRen800
  • 17-01-2020
  • Physics
contestada

The 1.00-cm-long second hand on a watch rotates smoothly.
What is its angular velocity? What is the speed of the tip of the hand?

Respuesta :

greenkelvin5
greenkelvin5 greenkelvin5
  • 19-01-2020

Answer:

Angular velocity = 0.105 rads⁻¹

speed of tip = 0.00105 ms⁻¹

Explanation:

A second hand turns  2π rad each 60 sec

Thus: it has an angular speed given by

ω = 2π/T = 2π/60 = π/30 = 0.105 rad s⁻¹

The speed of the tip is given by

V= rω = 0.01 m × (0.105 rads⁻¹)

= 0.00105 ms⁻¹

Answer Link

Otras preguntas

Which answer choice is punctuated correctly? The Rodriguez family is visiting Hawaii, a fantastic vacation spot. The Rodriguez family is visiting Hawaii a fanta
COULD A KIND SOUL PLEASE PLEASE PLEASE HELP ME???!!!!!!!!!!! triangle RST is reflected across the line y = x to form triangle R’S’T’. Find the coordinates of t
what is equivalent to the expression i^151 ?
syllogism has only three preposition. a. True b. False​
what is momentum?????​
• She is collaborating together with me on a cover for a magazine • At the present time, we don't know the title of the magazine Which sentence best restates th
evaluate the following 1340five minus 242five​
please solve these please​
X:3/2+1/2x=2x I need to solve for x
FILL IN THE BLANK WITH THE CORRECT FORM OF ESTAR. DO NOT USE ACCENTS! Susana y Carlos ____ en el gimnasio. Yo____ en el estadio. La estudiante_____en la bibliot