kHailaRichh kHailaRichh

01-03-2017
Mathematics

contestada

If a 10 cm radius wheel rotates through 2 radians how many meters has it rolled?

Respuesta :

keisurin keisurin

04-03-2017

2 radians = 2 full rotations
pi = 3.14

circumference of wheel = 2(pi)r
= 20 * 3.14
=62.8 cm
= 0.628m

meters rolled = 0.628 * 2
=1.256 m

Answer Link

Otras preguntas

The following statements about carbon dioxide are true EXCEPT a. It can be prepared by the action of acid on CaCO₃ b. It is used in fire extinguishers c. It d

if f(x)=|3x-4|+2, find f (-10)

why did the volcano explode

What is the size and shape of a super volcano?

Using the equation y=ax^2+bx+c to represent a parabola on a graph, which statement is true?1) If b is negative, the parabola opens downward2) If a is negative,

What two factors determine the state of rocks and metals Inside the earth?

What do Frederick Douglass' words "America reigns without a rival" mean?

Wages. JoAnn works in the publicity office at the state university. She is paid $10 an hour for the first 35 hours she works each week and $15 an hour for every

A ski jumper competing for an Olympic gold medal wants to jump a horizontal distance of 135 meters. The takeoff point of the ski jump is at a height of 25 meter

Is STM semantically or acoustically encoded??