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

how can i evaluate (-7/10+0.15)÷(-0.125) please help

I just moved to Mexico and I'm supposed to know this please help!!

Which one of the following is a run-on sentence? A. Jerry told me he likes June, but Hank likes Julie better. B. I would talk to Frank if I knew him, but p

With the exception of some sponges, all animals are _____. coelomates autotrophs heterotrophs hermaphrodites

Bernoulli's principle states that pressure on a fluid is transmitted through the fluid undiminished and acts equally on all points. a. True b. False

Please Help I'm new to this site :) Which of the following lines from the speech supports the idea that Roosevelt thinks truthful investigative journalism is

List the three layers of the earth bad

The least expensive form of whole life insurance protection is __________. straight life term limited payment universal

Rue/False – The following sentence is an example of inclusive language. A doctor must have a lot of schooling before he can receive his license. a. True b. Fals

in the penultimate paragraph, the author says,"its hard to believe moocs will ever replace the dreaming spires of Oxford and Cambridge ," explain what the autho