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

What is 0.399 written as a percent

how does Yakutsk, Siberia compared to Anchorage, Alaska in latitude

What causes the uneven distribution of sunlight over the globe? A. the earth's distance from the sun B. the rate of the earth's rotation C. the earth's axial ti

what are some powders that you might find on the kitchen floor

A patient has 0.0000075 gram of iron in 1 liter of blood. The normal level is between 6* 10^-7 grams and 1.6*10^-5 grams. Is the patient's iron level normal? Wr

Someone help! you have 44 text messages in your inbox. How many messages can your cell phone hold? (and inbox is 88% full)

Three times the square of a number if five less than sixteen times the number. What is the number?

How did Puritan values of the seventeenth century influence Americans of the nineteenth century? A. Americans embraced the Puritan idea of religious toleratio

Martin wrote 1,207 as 700+490+17. Explain how to find the answer using the number broken apart in this way.

Which words in the sentence are the prepositional phrase? My mother was away at a convention.